04:44 <Curie> arXiv.org | Building a Better Beta: Nucleation and Timescales in Cosmological Phase Transitions William Searle, Csaba Bal\'azs · 4h ago · 3 min read First-order phase transitions in the early universe can generate a stochastic background of gravitational waves, offering a unique probe of high-energy physics. In this work, we investigate aspects of bubble nucleation and transition timescales, which play a central role in shaping the resulting gravitational wave spectrum. Many common approaches characte... Read full story

04:44 <Curie> arXiv.org | Stochastic template banks for GW searches using low-discrepancy sequences Tarun Kumar, Anand S. Sengupta · 4h ago · 3 min read Matched filtering remains the most sensitive method for detecting gravitational waves from compact binary coalescences. The efficiency of such searches depends on how well a discrete template bank covers the underlying parameter space. Conventional geometric, stochastic, and hybrid placement methods can lead to uneven coverage and redundant templates in h... Read full story

04:44 <Curie> arXiv.org | Detector orientation matters: Consequences for gravitational-wave background detectability 4h ago · 2 min read Cross-correlation searches for gravitational-wave backgrounds depend on the geometrical configuration (physical separation and relative orientation) of the detectors comprising the network. Applying standard techniques to a few simple examples, we illustrate how the relative orientation of a pair of Earth-based L-shaped laser interferometers can drastical... Read full story

04:44 <Curie> arXiv.org | Polarization Analysis of Ringdown Signals Nicole Khusid, Will Farr, Maximiliano Isi · 4h ago · 3 min read Merging binary black holes exhibit a ringdown phase in which they primarily emit gravitational waves in the shape of damped sinusoids corresponding to quasi-normal modes of the Kerr remnant. In general, each mode carries four degrees of freedom encoding amplitude and phase information. When the modes are excited with equatorial reflection symmetry, as is ... Read full story

04:44 <Curie> arXiv.org | Implications of the LISA stochastic signal from eccentric stellar mass black hole binaries in vacuum 4h ago · 3 min read Astrophysical formation channels of stellar-mass binary black holes (sBBHs) can induce significant orbital eccentricities in their early inspiral. We analyze the implications on the stochastic gravitational-wave background (SGWB) from unresolved sBBHs, which can be detected with the Laser Interferometer Space Antenna (LISA). We develop an improved SGWB mo... Read full story

04:45 <Curie> arXiv.org | Analytic Approximations for Fermionic Preheating Heather E. Logan, Daniel Stolarski, Fazlul Yasin · 4h ago · 3 min read Non-thermal fermions can be produced non-perturbatively in the early universe during coherent oscillations of a scalar field. We explore fermion production in $λϕ^{4}$ inflation through this mechanism and analyze the momentum spectrum of the fermions produced, which depends on a coupling parameter $q$. For $q \gtrsim 0.01$, the main contribution to the to... Read full story

04:45 <Curie> arXiv.org | Rotation of the polarization plane in axion fields: application to neutron star polar cap regions 4h ago · 3 min read We study observable manifestations of an axion field, focusing on possible polarizational effects for electromagnetic wave propagating in such a special magnetoelectric medium. The corresponding analysis is based on a geometric model of the Casimir type, in the framework of which the rotation angle of the polarization plane is derived to the lowest order.... Read full story

04:45 <Curie> arXiv.org | Einstein ring fingerprint around supermassive black holes illuminated by broad line region spectral lines 4h ago · 3 min read The continuum emission from the hot and ionized inner regions of accretion disks around supermassive black holes (SMBHs), which is strongly lensed by the light ring (i.e., the unstable photon orbit) is always superimposed on that from the locally emitting plasma near the innermost stable circular orbit, masking strong-gravity effects and making their stud... Read full story

04:45 <Curie> arXiv.org | From the Milky Way to the Early Universe: How Metallicity Shapes the Formation of Double Neutron Stars 4h ago · 4 min read Among the compact binaries detected through gravitational wave (GW) emission, double neutron stars (DNSs) hold the unique distinction of having well-characterized local analogs in the Milky Way. However, understanding their broader cosmological population remains challenging due to the complex metallicity-dependent evolution of their progenitors. Using th... Read full story

04:45 <Curie> arXiv.org | Irradiated Atmospheres VII. Effect of Mixing Energy Flux on Atmosphere-Interior Coupling 4h ago · 3 min read Highly irradiated, underdense rocky planets such as puffy Venuses may host strong coupling between their atmospheres and magma-ocean interiors. Previous studies have mainly treated this coupling through radiative transfer and chemical equilibrium, leaving the role of vertical mixing unclear. Here we quantify how energy transport associated with vertical m... Read full story

04:46 <Quasar> ScienceDaily | What happens in the brain when cannabis makes you anxious? 7h ago · 5 min read Cannabinoids may intensify anxiety by removing a natural brake on specific neurons in the brain’s fear center, particularly during stressful situations. In mice, shutting down those neurons sharply reduced cannabinoid-related anxious behavior. Read full story

04:46 <Quasar> ScienceDaily | Animals may have evolved 200 million years earlier than we thought 6h ago · 8 min read New research suggests animals could have evolved as early as 800 to 700 million years ago, roughly 200 million years earlier than some previous estimates. If so, the first animals may have lived before or during Snowball Earth, leaving behind little trace because their soft bodies were rarely preserved. Read full story

04:46 <Quasar> ScienceDaily | A new way to fight gum disease without wiping out good bacteria 4h ago · 7 min read Scientists discovered that disrupting the chemical messages bacteria use to communicate can push dental plaque toward a healthier microbial balance. The approach could lead to new treatments for gum disease that control harmful bacteria without destroying beneficial species. Read full story

04:46 <Quasar> ScienceDaily | Humans may not be as hardwired for violence as we thought 5h ago · 5 min read A study comparing 100 primate species, including humans, suggests that everyday aggression and lethal violence did not evolve as part of the same simple behavioral spectrum. Species that frequently fight or show mild aggression are not necessarily more likely to kill rivals, while extreme acts such as infanticide and lethal attacks appear to follow their ... Read full story

05:40 <Curie> NASA Science | Arctic Sea Ice Shrinks to Its 2026 Minimum Michala Garrison · 1h ago · 5 min read Satellite records show Arctic sea ice covering less of the ocean in both winter and summer. Read full story

05:41 <Curie> NASA Science | APOD: 2026 October 7 - Supernova Remnant Pa 30 Cecilia Chirenti · 1h ago · 1 min read APOD Science APOD APOD: 2026 October 7 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Supernova Remnant Pa […] Read full story

09:44 <Curie> arXiv.org | Pulsations and constraints on time lags in two distinct ULXs: NGC 5204 X-1 and NGC 55 ULX-1 Rajath Sathyaprakash, Matthew J. Middleton, Chris Done · 9h ago · 3 min read The nature of ultra-luminous X-ray sources (ULXs) is shrouded in mystery as they're believed to be point sources with luminosities above the classical Eddington limit for a 10$M_{\odot}$ black hole (BH), but generally fit into the classification tree of super-Eddington X-ray binaries. Studies of reverberation lags and lag-energy spectra provide some insig... Read full story

09:44 <Curie> arXiv.org | Vector field dark matter search with Sagnac interferometer Yuki Inoue, Quynh Lan Nguyen, Ippei Obata · 9h ago · 3 min read We present the first calculation showing that a material-asymmetric Sagnac speed meter can improve quantum-noise-limited sensitivity to $B-L$ vector dark matter by nearly two orders of magnitude over a Fabry--Perot Michelson position meter at the low-mass end of the band. We introduce material contrast into a dual-ring interferometer to probe composition-... Read full story

09:44 <Curie> arXiv.org | Deep radio characterization of the supernova remnant G343.1-00.7 9h ago · 3 min read Supernova remnants (SNRs) are extended radio sources whose morphology and evolution are shaped by the interaction of strong shocks with the surrounding medium. We combined the 0.944 GHz Australian Square Kilometre Array Pathfinder (ASKAP) image from the Evolutionary Map of the Universe (EMU) survey with 0.088-0.200 GHz MWA-GLEAM data to characterize the i... Read full story

09:44 <Curie> arXiv.org | Discovery of the Lyman-$α$ Forest in a Star-Forming Galaxy at $z \approx 7.57$: Implications for the Timing and Topology of Cosmic Reionization 9h ago · 4 min read The escape of ionizing photons from galaxies during the Epoch of Reionization is often inferred indirectly because the intervening neutral hydrogen in the intergalactic medium (IGM) is expected to absorb all flux blueward of Lyman-$α$ at these redshifts. However, in this work, we report the significant detection ($\approx7σ$) of flux blueward of Ly$α$ in ... Read full story

09:44 <Curie> arXiv.org | Improved Constraints on the Surface of LHS 3844 b from its Mid-Infrared Spectrum 9h ago · 3 min read The thermal emission spectra of terrestrial exoplanets provide a window into their surface compositions and corresponding geological processes. Close-in, rocky planets orbiting M dwarfs are ideal targets for these studies, as observations have shown that most have little to no atmosphere. LHS 3844 b is an ultra-short period super-Earth orbiting a nearby M... Read full story

09:44 <Curie> arXiv.org | A Systematic Assessment of Total Stellar Mass Measurements with Spatially Resolved Photometry and Medium Bands at 1 < z < 9: The Impact of Mass-to-Light Variations and Outshining 9h ago · 4 min read JWST NIRCam spatially resolved photometry enables studies of galaxies' stellar populations and stellar masses on sub-kpc scales. We use JWST (CANUCS, Technicolor, JUMPS) and HST data, covering wide- and medium-band UV-IR filters to study the stellar mass bias between spatially resolved and integrated photometry of $\sim$3000 galaxies at 1 $ 10^{\mathrm{-8... Read full story

09:44 <Curie> arXiv.org | The long period radio transient ASKAP J1448-68 is a cataclysmic variable 9h ago · 3 min read Wide-field time-domain radio surveys have recently unveiled a new class of Galactic radio emitter: long period radio transients (LPTs). Despite the rapid pace of discovery, their origins remain poorly understood, with two main theories emerging: slowly spinning magnetars or binary white dwarfs (WDs) with magnetic interactions. All three LPTs with well-cha... Read full story

09:44 <Curie> arXiv.org | Just a Phase? Weakening Vertical Shear Instability Explains Class II Disk Morphologies: Simulations with dust coagulation, sedimentation, thermal relaxation, and backreaction 9h ago · 3 min read The Vertical Shear Instability (VSI) is known to create turbulence and strong vertical mixing in protoplanetary disks if thermal relaxation is sufficiently fast. In simulations where this condition is met, VSI can loft dust particles to large altitudes, creating a vertically extended appearance in mock millimeter-wavelength observations, which is inconsis... Read full story

09:44 <Curie> arXiv.org | The New Dark Matter Density Profile from JWST JADES Galaxies Aritra Sanyal, Farook Rahaman · 9h ago · 3 min read We present the first dark matter density profile derived directly from James Webb Space Telescope JADES Data Release~3 NIRSpec observations of $N = 587$ galaxies spanning the cosmic noon epoch $1.5 \leq z \leq 3.5$. From each NIRSpec G235M/G395M spectrum we extract the H$α$ emission-line velocity dispersion $σ_{\rm ha}$, stack galaxies in four redshift bi... Read full story

09:44 <Curie> arXiv.org | The ALMA View of the Edge-on Gomez's Hamburger System: A Highly-Dynamic, Asymmetric Protoplanetary Disk Reveals the Earliest Phases of Giant Planet Formation 9h ago · 4 min read Chemical tracers provide some of the strongest observational signatures of ongoing planet formation and localized dynamical perturbations in protoplanetary disks. In particular, sulfur-bearing molecules are predicted to be enhanced in regions of shock heating, ice sublimation, and gravitational instability. Here, we present high-angular-resolution ($\appr... Read full story

09:45 <Curie> arXiv.org | A Data-Driven Model for $r$-Process Production Patterns Chen-Qi Li, Yong-Zhong Qian, Axel Gross, Zewei Xiong · 9h ago · 3 min read Using the elemental abundances in 68 metal-poor (MP) stars, we present a data-driven model for $r$-process production patterns covering Sr to U. We show that essentially all the $r$-process patterns in those and other test stars can be adequately explained as mixtures of Patterns 1 and 2, which provides theoretical insights into the empirical categories o... Read full story

09:45 <Curie> arXiv.org | Fast and accurate bandpass integration of complex SEDs with neural networks L. A. Bianchi · 9h ago · 3 min read The paper presents a novel ML-based approach for fast and accurate bandpass integration of spectral energy distributions (SEDs). The non-locality of the integral operator involved guarantees the smoothness of the target function to be approximated, making it an excellent use-case for neural networks. The computational method developed for this work has be... Read full story

09:45 <Curie> arXiv.org | Companion architectures of sub-Saturns: Distinct migration pathways across the Neptunian landscape 9h ago · 3 min read Close-in sub-Saturns (4.0 - 8.5 R$_\oplus$) are depleted in the Neptunian desert, accumulate in a narrow overdensity near P = 3.2 - 5.7 d (the Neptunian ridge), and thin out into the more moderately populated savanna at longer periods. We test whether sub-Saturns have systematically different companion architectures, as predicted if desert and ridge plane... Read full story

09:45 <Curie> arXiv.org | The Treble Clef radio phoenix and its old nonthermal filaments 9h ago · 3 min read By inspecting data from the LOFAR Two-meter Sky Survey (LoTSS), we noticed a peculiar bright and filamentary radio source at low-galactic latitude ($b \approx 0.5 °$). This source, detected also in previous radio observations, was originally believed to be a pulsar, but was later suggested to be located in a heavily obscured galaxy cluster behind the Gala... Read full story

09:45 <Curie> arXiv.org | Radio and X-ray Observations of the Transitional Supernova 2019yvr: Insights into the Progenitor Mass-Loss History 9h ago · 3 min read The final life stages of the massive star progenitors of stripped-envelope supernovae (SESNe) are still an open question, especially when it comes to the timing and magnitude of the progenitor stripping. Observing SESNe across the electromagnetic spectrum allows for the most direct constraints on mass loss in the final stages of progenitor evolution. In t... Read full story

09:45 <Curie> arXiv.org | Beta-Particle Transport and Thermalization in Kilonova Ejecta with Detailed Atomic Microphysics 9h ago · 4 min read When two neutron stars collide, they eject material containing heavy nuclei formed by the rapid neutron capture process ($r$-process). As these nuclei decay, they power a bright optical/near-infrared transient known as a kilonova (KN). Modeling KN emission is a complex problem involving atomic opacities, radiation transport, and heating powered by the the... Read full story

09:45 <Curie> arXiv.org | Detection of relativistic orbital deformation from improved timing of PSR J1757$-$1854 9h ago · 4 min read PSR~J1757$-$1854, a 21.5\,ms pulsar, is a highly relativistic double neutron star (DNS) system in a tight eccentric ($e = 0.61$) 4.4\,hr orbit. With extremely large gravitational wave luminosity and one of the fastest orbital decay rates of any known DNS system, it is ideal for testing general relativity (GR) in the strong-field regime. Here we present re... Read full story

09:45 <Curie> arXiv.org | PHANTOM: A MATLAB and Octave Toolbox Connecting Linear Field Statistics to Dark Matter Halo Observables Mohammad Abu Thaher Chowdhury · 9h ago · 3 min read We present phantom (Profile and Halo Analysis for Numerous Theoretical dark Matter Observables), a public MATLAB toolbox and Octave package for calculations that connect the linear density field to dark matter halo observables. The package combines a flexible cosmology module with linear power spectrum, variance, and correlation function solvers, and a ha... Read full story

09:45 <Curie> arXiv.org | Probing Direct Contributions of Galaxies and AGN to Cosmic Reionization in a Quasar Field J0226+0302 with JWST NIRCam and NIRSpec 9h ago · 4 min read We present JWST Cycle 2 NIRCam and NIRSpec observations in a quasar field J0226+0302 at z=6.5412 to probe the direct connections between the intergalactic medium (IGM), galaxies, and AGN during reionization. This field was previously observed by the JWST ASPIRE program, detecting eight [OIII]-emitting galaxies at 5.3<z<6.4 with a single NIRCam pointing. U... Read full story

09:45 <Curie> arXiv.org | Whispers of Supergravity in Gravitational Wave Backgrounds: Determining the Gravitino Mass from Cosmic Thermal History Angus Spalding, Stephen F. King · 9h ago · 3 min read Gravitino masses above the electroweak scale provide the simplest solution to the gravitino problem, but such large mass scales lie far beyond the reach of collider experiments. We show that the stochastic gravitational wave background offers a direct probe of this otherwise inaccessible regime. Despite decaying before Big-Bang Nucleosynthesis (BBN), thes... Read full story

09:48 <Curie> Live Science | Roboticists showcase tiny, frog-like robot that can hop across wet surfaces and swim Bobby Hellard · 48m ago · 3 min read A palm-sized robot inspired by frogs uses snapping rods to jump, swim and navigate an obstacle course. Read full story

09:53 <Curie> arXiv.org | Neutron star-companion interaction in core collapse supernovae. Population synthesis based on detailed binary evolution models 9h ago · 4 min read Most massive stars live in binary systems. When the first supernova (SN) in a binary occurs, the ejecta hit the companion, which may inflate as a consequence, and then interact with the newly formed compact object. The recent Type Ic SN2022jli shows a periodic modulation in its emission, which is interpreted as evidence for such interaction. We derive pre... Read full story

09:53 <Curie> arXiv.org | Alleviating the Hubble Tension Using Coupled Dark Energy - Dark Matter Interaction 9h ago · 3 min read We investigate two interacting dark energy models, $ξ$CDM and $ξw$CDM, as potential means of alleviating the $H_0$ tension, using DESI DR2 BAO data along with the Planck 2018 CMB, Pantheon+ SNe Ia, and KiDS-1000/DES-Y3 weak lensing data. For the $ξ$CDM model, with a free coupling strength ($ξ$) and fixed dark energy equation-of-state ($w_0$), we find $H_0... Read full story

09:53 <Curie> arXiv.org | Exploring the Impact of Tilted Magnetic Dipoles on the Atmospheric Dynamics of Hot Jupiters: Towards an Improved Magnetohydrodynamic Framework James Fecanin, Hayley Beltz, John Allen, Thaddeus Komacek · 9h ago · 3 min read The atmospheres of hot Jupiters lie in a dynamical regime without a solar system analogue. The strongly irradiated daysides reach temperatures sufficiently hot for substantial thermal ionization of atmospheric species, resulting in flows that can interact with the planetary magnetic field. These magnetic effects can significantly impact wind speeds, atmos... Read full story

09:53 <Curie> arXiv.org | A homogeneous three-dimensional view of Molecular Cloud kinematics out to 2.5 kpc. Using Young Stellar Objects and Open Clusters as complementary tracers 9h ago · 4 min read Understanding the large-scale dynamics of molecular clouds (MCs) is crucial for constraining the processes that govern star formation and the structure and evolution of the Galaxy. While gas tracers have traditionally been used to map MC kinematics, stellar tracers such as young stellar objects (YSOs) and open clusters (OCs) provide a complementary approa... Read full story

09:53 <Curie> arXiv.org | Homogeneous stellar parameters for 717,807 TESS FGK stars using Gaia DR3 Francesca Waines, Angharad Weeks, Vincent Van Eylen · 9h ago · 3 min read Precise homogeneous stellar characterisation is crucial for our understanding of the physical properties of exoplanets, their demographics and the environment from which they are formed. We present a homogeneous catalogue of 717,807 TESS FGK dwarfs and early subgiants, making use of isochrones along with Gaia DR3 inputs of photometry, parallax and spectro... Read full story

09:53 <Curie> arXiv.org | Simulating the jittering-jets explosion mechanism: circum-jet rings account for observed core-collapse supernova remnant morphologies 9h ago · 3 min read We conduct three-dimensional hydrodynamical simulations of core-collapse supernova (CCSN) explosion driven by jets in the framework of the jittering jets explosion mechanism (JJEM), and obtain a pair of opposite circum-jet rings similar to those observed in some CCSN remnants (CCSNRs). We launch two pairs of jets along the same axis, the first of two oppo... Read full story

09:53 <Curie> arXiv.org | Simulation-based inference from the Lyman-alpha forest 1D power spectrum with CAMELS Francesco Sinigaglia, Patricia Iglesias-Navarro, Matteo Viel · 9h ago · 3 min read We perform for the first time full simulation-based inference on the Lyman-$α$ forest 1D power spectrum. In particular, we consider the prediction of the Lyman-$α$ forest $P_{\rm 1D}(k)$ at $2.0<z<3.5$ from the CAMELS cosmological hydrodynamic simulations run with the IllustrisTNG and SIMBA galaxy formation models. We train a normalizing flow to perform n... Read full story

09:53 <Curie> arXiv.org | Gravitational self-lensing of Fast Radio Bursts in neutron star magnetospheres: II. Applications to strong repeaters and the CHIME population 9h ago · 4 min read Paper I in this series introduced a model in which seed radio bursts produced by a hotspot anchored in the magnetosphere of a highly-magnetic neutron star (NS) are greatly amplified by strong gravitational self-lensing and thus give rise to Fast Radio Bursts (FRBs). Key features of the FRB population such as the observed dichotomy between repeating and no... Read full story

09:53 <Curie> arXiv.org | Searching for outbursts from Symbiotic Binaries in GOTO and ATLAS data 9h ago · 3 min read Symbiotic Binaries contain a white dwarf accreting material from a red giant star typically through a wind. We present the results of a search for outbursts from Symbiotic Binaries using photometric data obtained using the GOTO all-sky survey taken from 2023 onwards. After identifying ten candidate outbursting systems, we used ATLAS photometry to characte... Read full story

09:53 <Curie> arXiv.org | Unraveling the mysteries of Jets in peculiar NLSy1 galaxies through multi-wavelength variability 9h ago · 4 min read Radio-quiet narrow-line Seyfert 1 galaxies (RQ-NLSy1s) are generally considered to be dominated by thermal emission from the accretion disk. However, recurring 37 GHz radio flares detected from seven RQ-NLSy1s by the Metsahovi Radio Observatory suggest that non-thermal processes may also contribute to their emission. We present a systematic optical and mi... Read full story

09:54 <Curie> arXiv.org | Banana Split: Improved Cosmological Constraints with Two Light-Curve-Shape and Color Populations Using Union3.1+UNITY1.8 David Rubin, Taylor Hoyt, Greg Aldering, Saul Perlmutter · 9h ago · 3 min read SNe Ia have been used to provide key constraints on the equation-of-state parameter of dark energy. They are generally standardized under the assumption that they belong to a single population, with luminosities standardized in a continuous (roughly linear) fashion using the observed light-curve timescale. We update the Union3+UNITY1.5 SN cosmology analys... Read full story

09:54 <Curie> arXiv.org | High-Precision Differential Radial Velocities of C3PO Wide Binaries: A Test of Modified Newtonian Dynamics (MOND) Serat M. Saad, Yuan-Sen Ting · 9h ago · 3 min read Wide-binary stars, separated by thousands of AU, reside in low-acceleration regimes where Modified Newtonian Dynamics (MOND) predicts deviation from Newtonian gravity. However, Gaia radial velocities (RVs) lack the precision to resolve the small velocity differences expected in these systems, limiting previous MOND analyses to two-dimensional kinematics. ... Read full story

09:54 <Curie> arXiv.org | Euclid: Impact of halo mass-conversion model assumptions on galaxy cluster number-count analyses 9h ago · 5 min read The large catalogues of galaxy clusters expected from the Euclid survey will enable cosmological analyses of cluster number counts that require accurate cosmological model predictions. One possibility is to use parametric fits calibrated against $N$-body simulations, that capture the cosmological parameter dependence of the halo mass function. Several stu... Read full story

09:54 <Curie> arXiv.org | Impact of Magnetic Field Topology on Electromagnetic and Gravitational Waves from Binary Neutron Star Merger Remnants 9h ago · 4 min read We perform general relativistic magnetohydrodynamic (GRMHD) simulations of binary neutron star (BNS) mergers with four distinct magnetic field topologies: (i) a dipole pulsar-like configuration, (ii) a mixed linear superposition of poloidal and toroidal components inside the star, and (iii-iv) two topologies featuring a smooth transition from a confined m... Read full story

09:54 <Curie> arXiv.org | Exploring a Cosmic-Ray Inverse-Compton Origin to the SZ-to-X-Ray Pressure Deficit in the Cool Core Cluster ZwCl 3146 9h ago · 3 min read We explore the possibility that inverse-Compton (IC) scattering of cosmic microwave background photons by $\sim$GeV cosmic rays (CRs) injected by the central active galactic nucleus (AGN) in cool core (CC) clusters produces a non-negligible continuum-like X-ray signal that is easily misinterpreted as intracluster medium (ICM) thermal bremsstrahlung contin... Read full story

09:54 <Curie> arXiv.org | A dense dark matter core of the subhalo in the strong lensing system JVAS B1938+666 9h ago · 3 min read The nature of dark matter remains unknown, motivating the study of fuzzy/wave dark matter (FDM/$ψ$DM) and self-interacting dark matter (SIDM) as alternative frameworks to address small-scale discrepancies in halo profiles inferred from observations. This study presents a non-parametric reconstruction of the mass distribution of the previously-found, dark ... Read full story

09:54 <Curie> arXiv.org | Black Holes in the Red-sequence Elliptical Galaxies at Redshifts $\sim 0.7-2.5$: Not Dark Energy Source but Remnants of Little Red Dots Lei Lei, Ze-Fan Wang, Yi-Ying Wang, Lei Feng, Yi-Zhong Fan · 9h ago · 3 min read The nature of dark energy remains one of the most profound mysteries in modern cosmology. One intriguing proposal is that black holes (BHs) could be the astrophysical source of dark energy through a cosmological coupling mechanism, and strong evidence has been claimed via analyzing the growth of the black hole masses in the red-sequence elliptical galaxie... Read full story

09:54 <Curie> arXiv.org | Extreme superluminal expansion traces an ultra-narrow GRB jet across relativistic regimes 9h ago · 4 min read The long-term evolution of gamma-ray burst (GRB) jets from ultra-relativistic launch to a slowly expanding radio source remains a fundamental problem in high-energy astrophysics, rarely resolved directly by imaging. We use very long baseline interferometry (VLBI) to trace the radio angular scale of GRB 221009A, the brightest GRB ever detected, from 5 to 2... Read full story

09:54 <Curie> arXiv.org | Superluminous supernova search with PineForest 9h ago · 3 min read The advent of wide-field astronomical surveys has made available large and complex data sets. However, the process of discovery and interpretation of each potentially new astronomical source is, many times, still handcrafted. In this context, machine learning algorithms have emerged as a powerful tool to mine large data sets and lower the burden on the do... Read full story

09:54 <Curie> arXiv.org | LISA Sensitivity and SNR Calculations Stanislav Babak, Martin Hewitson, Antoine Petiteau · 9h ago · 2 min read This Technical Note (LISA reference LISA-LCST-SGS-TN-001 v1.1) describes the computation of the noise power spectral density, the sensitivity curve and the signal-to-noise ratio for LISA (Laser Interferometer Antenna). It is an applicable document for ESA (European Space Agency) and the reference for the LISA Science Requirement Document. Read full story

10:47 <Curie> Live Science | Zombified cells may drive aging, and scientists are devising new ways to get rid of them Zunnash Khan · 47m ago · 8 min read Immune cells that clear old and dying cells get sluggish with age. Scientists think that rejuvenating these cells could help combat aging. Read full story

10:47 <Curie> Live Science | Diagnostic dilemma: Woman 'saw dead people' and fired a gun at them after taking too many aspirin Lauren Schneider · 47m ago · 4 min read Before visiting the emergency room, a woman fired a gun at hallucinations triggered by over-the-counter pills. Read full story

11:47 <Curie> Live Science | The Draconids, an unpredictable shower that can bring hundreds of meteors per minute, has begun Jamie Carter · 47m ago · 3 min read Peaking on Oct. 8-9, the unpredictable Draconid meteor shower is one of the few that's best seen just after dark. Could it produce another meteor storm? Read full story

13:34 <Quasar> ScienceDaily | Drug target could block brain inflammation linked to Alzheimer’s and Parkinson’s 5h ago · 6 min read Blocking a receptor called P2X7 significantly reduced inflammation in human brain tissue, revealing a potential new treatment strategy for neurological and psychiatric disorders. The discovery could help researchers repurpose existing drugs for conditions including traumatic brain injury, Alzheimer’s, Parkinson’s, depression, and schizophrenia. Read full story

13:34 <Quasar> ScienceDaily | Physicists just found the ‘ghost’ of superconductivity 4h ago · 10 min read Physicists have found striking evidence for an unusual form of superconducting behavior in uranium ditelluride, where electron pairs organize into rippling patterns called pair density waves. Even more surprisingly, these patterns appear to survive after ordinary superconductivity disappears, suggesting that the electron pairs responsible for superconduct... Read full story

13:34 <Quasar> ScienceDaily | Earth’s center is moving, and NASA just measured it 6h ago · 8 min read Earth’s center of mass is constantly on the move, shifting by a few millimeters as enormous amounts of water, ice, and even air migrate around the planet with the seasons. NASA scientists have developed a more precise way to track these tiny swings using laser-ranging satellites, GPS data, and measurements of how water and ice deform Earth’s crust. Read full story

13:34 <Quasar> ScienceDaily | Webb finds a surprising atmosphere on a scorching lava world 5h ago · 8 min read The James Webb Space Telescope has found strong evidence that the rocky lava world HD 3167 b has an atmosphere, despite circling its star every 24 hours under extreme heat. The surprising discovery could help scientists understand how rocky planets retain atmospheres and what the young, molten Earth may once have looked like. Read full story

13:34 <Quasar> ScienceDaily | Scientists changed how zoo lions eat. Their wild side came out 4h ago · 6 min read Giving zoo lions whole carcasses on a feast-and-fast schedule appears to bring out more natural behavior. The lions spent nearly three times longer feeding, engaged in more tearing and manipulating of food, and rested more heavily after meals. Their activity then increased gradually during the fasting period, closely resembling the rhythm seen in wild lions. Read full story

13:34 <Quasar> ScienceDaily | NASA’s Webb finds signs of Mars-sized worlds smashing together 4h ago · 8 min read NASA’s James Webb Space Telescope is giving astronomers a glimpse of the kinds of violent collisions that may have shaped our own solar system, including the giant impact thought to have created the Moon. By studying 21 rare “extreme debris disks” around young stars, researchers found that their dust can reveal the scale and intensity of planetary collisi... Read full story

15:09 <Quasar> Quanta Magazine | As AI Closed In on ‘Unique Games’ Proof, Researchers Raced to Beat the Machines Ben Brubaker · 1m ago · 11 min read In the shadow of a rumored AI proof of one of the biggest problems in their field, three computer scientists rushed to publish their own milestone result. Read full story

17:04 <Curie> Live Science | 'Sexy Mantis,' obscene orangutan and prancing sparrowhawk feature in Nikon Comedy Wildlife Awards Patrick Pester · 1h ago · 5 min read The Nikon Comedy Wildlife Awards has unveiled its finalists for 2026, so let's all have a good laugh at nature. Read full story

17:05 <Curie> Live Science | Astronomers spy rare 'phoenix planet' rising from the ashes of a dead star Harry Baker · 1h ago · 7 min read Astronomers have spotted a rare "second-generation" exoplanet closely orbiting the nearby white dwarf HS 0209+0832. Read full story

17:05 <Curie> Live Science | 'We stocked an RV as an emergency bugout vehicle': Readers share how prepared they are for a disaster Kenna Hughes-Castleberry · 41m ago · 2 min read With extreme weather conditions becoming more frequent, having a disaster kit and other emergency plans can be beneficial. Live Science readers shared their thoughts about how prepared they are for these events. Do you agree with what they said? Read full story

17:07 <Curie> NASA | Artemis II Crew Moon Photo Annotations HQ Web Team · 1h ago · 5 min read A visualization of a dark Moon eclipsing the Sun is marked with handwritten notes in this April 6, 2026, screenshot from an Artemis II crew member's tablet. Read full story

18:05 <Curie> Live Science | 1,000-mile-long cloud that forms and vanishes on Mars every day obeys 'exotic physics' never seen on Earth Harry Baker · 57m ago · 7 min read New simulations suggest that the perplexing Arsia Mons Elongated Cloud (AMEC) repeatedly emerges in the Red Planet's skies thanks to a never-before-seen meteorological process. Read full story

18:05 <Curie> Live Science | 'It looks like a chimera' — 168 million years ago, a strange platypus-like mammal relative lived in China alongside dinosaurs Chris Simms · 48m ago · 5 min read A predatory mammal-like animal from the Jurassic seems to have characteristics of both a platypus and an otter. Read full story

18:06 <Quasar> Smithsonian Magazine | Five Discoveries That Changed Our Understanding of T. Rex Forever, From Warm Blood to Lips Riley Black · 51m ago · 10 min read Paleontologists are still unraveling the secrets of the world’s most famous dinosaur, such as its outward appearance or the way that it hunted. With each new finding, our view of the “tyrant lizard king” has gotten a little clearer—and sometimes has radically shifted Read full story

18:10 <Curie> NASA Science | NASA’s Curiosity Captures Dawn Breaking on Wind-Carved Cliffs Rafael Alanis · 1h ago · 1 min read NASA’s Curiosity Mars rover captured this panorama of sunrise illuminating distant, wind-carved features called yardangs on Aug. 11, 2026, the 4,982nd Martian Read full story

18:10 <Curie> NASA Science | NASA’s Curiosity Looks Back After Reaching Elevation Milestone Rafael Alanis · 1h ago · 1 min read NASA’s Curiosity Mars rover captured this view looking back at the floor of Gale Crater, with the crater’s rim visible in the distance, on Sept. 5, 2026, the Read full story

19:07 <Curie> Live Science | Scientists discover the genetic secrets that may have helped Jonathan the tortoise live to 194 years old Lauren Schneider · 1m ago · 6 min read DNA samples from Jonathan the 194-year-old tortoise reveal gene variants and epigenetic changes that could contribute to his remarkable lifespan. Read full story

21:13 <Curie> NASA Science | NASA’s PRIMA Spacecraft (Artist’s Concept) Rafael Alanis · 57m ago · 5 min read This artist’s concept depicts the proposed design for NASA’s PRobe far-Infrared Mission for Astrophysics (PRIMA), which was selected by the agency in Read full story

21:13 <Curie> NASA | NASA’s SpaceX 35th Commercial Resupply Mission Overview Mark A. Garcia · 55m ago · 3 min read NASA and SpaceX are targeting no earlier than Tuesday, Oct. 13 to launch scientific investigations, supplies, and equipment to the International Space Station. Read full story

22:15 <Curie> NASA | NASA Sets Coverage for SpaceX 35th Station Resupply Launch, Arrival Lauren E. Low · 59m ago · 3 min read NASA and SpaceX are targeting 6:33 a.m. EDT, Tuesday, Oct. 13, for the next launch to deliver science investigations, supplies, and equipment, including the Read full story

#science op 2026-10-07