Interstellar Updates

The Limits of Science Are Not the Limits of Reality: A Testable Hypothesis on Subsurface Life in Planetary Interiors
https://zenodo.org/records/18684255

Molecular diagnostics for the mid-infrared emission of planet-forming disks. Carbon and oxygen elemental abundances
https://arxiv.org/abs/2602.16030

Self-gravity in thin protoplanetary discs: I. The smoothing-length approximation versus the exact self-gravity Kernel
https://www.aanda.org/articles/aa/full_html/2026/02/aa55989-25/aa55989-25.html

Photoevaporation can reproduce extended H2 emission from protoplanetary disks imaged by JWST/MIRI-MRS
https://www.aanda.org/articles/aa/full_html/2026/02/aa56740-25/aa56740-25.html

Metal Pipe: A Broadly Applicable Stellar Abundance Pipeline Using Isochronal Parameters
https://iopscience.iop.org/article/10.3847/1538-4357/ae3c0b

Swift Heavy‐Ion‐Driven Chemistry in CO:CO2 Astrophysical Ice Analogs: Part I – Experimental data
https://www.sciencedirect.com/science/article/abs/pii/S0273117726002486

Machine learning exploration of binding energy distributions of H2O at astrochemically relevant dust grain surfaces
https://arxiv.org/abs/2602.11050v1

Upper atmosphere dynamics and drivers of volatiles loss from terrestrial-type (exo)planets
https://arxiv.org/abs/2602.15507

Searching for Extragalactic Exoplanets: A Survey of the Sagittarius Dwarf Galaxy Stream with TESS
https://arxiv.org/abs/2602.15105

TESS planets in known radial velocity cold Jupiter systems: Hot super Earth occurrence is enhanced by cold Jupiters
https://arxiv.org/abs/2602.11017

Two warm sub-Saturn mass planets identified from the TESS Full Frame Images
https://arxiv.org/abs/2602.16646

Paving the Road to the Habitable Worlds Observatory with High-resolution Imaging. I. New and Archival Speckle Observations of Potential HWO Target Stars
https://iopscience.iop.org/article/10.3847/1538-3881/ae2fe7

Keck Observations in the INfrared of Taurus and ρ Oph Exoplanets And Ultracool dwarfs (KOINTREAU) II: Two Young Bound Companions to Ophiuchus Stars
https://arxiv.org/abs/2602.10198

Precise measurement of WASP-31 b’s Rossiter-McLaughlin effect and characterization of the planet transmission spectra
https://arxiv.org/abs/2602.15501

Next-generation Improvements in Giant-exoplanet Evolutionary and Structural Models
https://iopscience.iop.org/article/10.3847/1538-4357/ae3a85

The bulk metal content of WASP-80 b from joint interior-atmosphere retrievals
https://www.aanda.org/articles/aa/full_html/2026/02/aa56519-25/aa56519-25.html

Development of a C/H/O/N/S chemical network: Experimental benchmark, application to exoplanets, and identification of key C/S coupling pathways
https://www.aanda.org/articles/aa/full_html/2026/02/aa55595-25/aa55595-25.html

Tracing Pebble Drift History in Two Protoplanetary Disks with CO Enhancement
https://iopscience.iop.org/article/10.3847/1538-4357/ae353d/meta

The Solar Neighborhood. LIII. M Dwarf Twin Binaries—One in Five Twin Sibling Pairs Are Mismatched in Activity and/or Rotation
https://iopscience.iop.org/article/10.3847/1538-3881/ae34ad

Solar Hegemony: M Dwarfs Are Unlikely to Host Observers Such As Ourselves
https://iopscience.iop.org/article/10.3847/1538-3881/ae3c80

Fluid shifts are main drivers for microgravity simulation-induced immune-physiological changes: findings from the VIVALDI studies
https://www.nature.com/articles/s41526-025-00555-z

Cognitive Astrobiology
https://www.cambridge.org/core/journals/proceedings-of-the-international-astronomical-union/article/cognitive-astrobiology/64B93279C7F1303E7DF34A0DDDD516C5

Biological Experiments in Space: From Microgravity to Molecular Insights
https://link.springer.com/article/10.1007/s12217-026-10240-9

The Jevons Filter: Why Civilizations May Fail Before Reaching Type I Status
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=6090866

Theoretical perspective on synthetic man-made life: Learning from the origin of life
https://onlinelibrary.wiley.com/doi/10.1002/qub2.22

A new understanding of Einstein–Rosen bridges
https://iopscience.iop.org/article/10.1088/1361-6382/ae3044

Stellar activity and exoplanet observations
https://zenodo.org/records/18196449

Stellar Engines: Advanced Spacecraft Propulsion through Extreme Aerospace Engineering Design
https://link.springer.com/book/9783032180612

Cold-Water CO2 Geysers as Ocean World Plume Analogs: Investigation of Habitability Indicators in Crystal and Champagne Geysers Pre- and Posteruption
https://journals.sagepub.com/doi/10.1177/15311074261416868

Astrometric Reconnaissance of Exoplanetary Systems (ARES): I. Methodology validation with HST point-source images of Proxima Centauri
https://www.aanda.org/articles/aa/full_html/2026/02/aa57737-25/aa57737-25.html

Accelerating exoplanet climate modelling: A machine learning approach to complement 3D general circulation model grid simulations
https://www.aanda.org/articles/aa/full_html/2026/02/aa55631-25/aa55631-25.html

A super-Earth orbiting the early-M dwarf GJ7
https://www.aanda.org/articles/aa/full_html/2026/02/aa49545-24/aa49545-24.html

Two Potential Exoplanets around A-type Stars Selected from 18 Planetary Candidates
https://iopscience.iop.org/article/10.3847/1538-3881/ae3a88

Keck Observations in the INfrared of Taurus and ρ Oph Exoplanets And Ultracool Dwarfs (KOINTREAU). II. Two Young Bound Companions to Ophiuchus Stars
https://iopscience.iop.org/article/10.3847/1538-3881/ae3a84

A JWST Transit of a Jupiter Analog. I. Constraints on the Oblateness of Kepler-167 e
https://iopscience.iop.org/article/10.3847/1538-3881/ae3a81

Young Planets around Young Accreting Stars. I. Migration and Inner Stalling Orbits
https://iopscience.iop.org/article/10.3847/1538-4357/ae355c

Free-floating Planets Produced by Planet–Planet Scatterings: Ejection Velocity and Survival Rate of Their Moons
https://iopscience.iop.org/article/10.3847/1538-4357/ae394f

A Method for Habitability Analysis of Planets with True Polar Wander
https://iopscience.iop.org/article/10.3847/1538-4357/ae3147

Pre-perihelion Volatile Evolution of Interstellar Comet 3I/ATLAS Indicating Significant Contribution from Extended Source in the Coma
https://arxiv.org/abs/2602.14218

Carbon from Interstellar Clouds to Habitable Worlds
https://arxiv.org/abs/2602.10308

Atmospheric constraints on GJ 1214 b from CRIRES+ and prospects for characterisation with ANDES
https://arxiv.org/abs/2602.14343

The Habitable Worlds Observatory in Historical Context
https://arxiv.org/abs/2602.14823

Statistical Validation and Vetting of Exoplanet Candidate TOI 7475.01
https://arxiv.org/abs/2602.14840

The Interplanetary Habitable Zone
https://arxiv.org/abs/2602.13404

Habitable Zones Around Massive Stars: From the Main Sequence to Supergiants
https://arxiv.org/abs/2602.13875

Diversities and similarities exhibited by multi-planetary systems and their architectures: II. Radii of singles and multis
https://arxiv.org/abs/2602.14194

Not Earth-like Yet Temperate? More Generic Climate Feedback Configurations Still Allow Temperate Climates in Habitable Zone Exo-Earth Candidates
https://arxiv.org/abs/2602.10369

ExoNAMD: Leveraging the spin–orbit angle to constrain the dynamics of multi-planet systems
https://www.aanda.org/articles/aa/full_html/2026/02/aa57279-25/aa57279-25.html

Selection and characterisation of the M dwarf targets in the PLATO Input Catalogue
https://www.aanda.org/articles/aa/full_html/2026/02/aa57757-25/aa57757-25.html

Starlight-driven flared-staircase geometry in radiation hydrodynamic models of protoplanetary disks
https://www.aanda.org/articles/aa/full_html/2026/02/aa56928-25/aa56928-25.html

Energetic particles accelerated via turbulent magnetic reconnection in protoplanetary discs – I. Ionisation rates
https://www.aanda.org/articles/aa/full_html/2026/02/aa58004-25/aa58004-25.html

TSSC Comet-centered Data Products from TESS 3I/ATLAS Observations
https://iopscience.iop.org/article/10.3847/2515-5172/ae43bd

Dynamical Interactions and Habitability in the TOI-700 Multi-planet System
https://iopscience.iop.org/article/10.1088/1538-3873/ae3eb6

Photometric Analysis of the Interstellar Comet 3I/ATLAS During its Pre-perihelion Period
https://iopscience.iop.org/article/10.1088/1538-3873/ae3eb5

Undetected Past Contacts with Technological Species: Implications for Technosignature Science
https://iopscience.iop.org/article/10.3847/1538-3881/ae394b

Probing Thermal Gradient of Habitable-zone Rocky Planets as an Anti-indicator of a Global Surface Ocean Using Mid-infrared Direct Imaging
https://iopscience.iop.org/article/10.3847/1538-3881/ae367b

Observational Signatures of Circumstellar Gas Tori Formed by Planetary Mass Loss from Close-In Exoplanets
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stag293/8482758?searchresult=1

Astrophysics Wrapped 2025: Year-in-Review of Every Astrophysics arXiv Paper from 2025
https://arxiv.org/abs/2602.12303

Excitation and Damping of Oscillation Modes in Gaseous Planets
https://arxiv.org/abs/2602.12348

Bayesian Analysis for Remote Biosignature Identification on exoEarths (BARBIE) IV: Analyzing CO2 Detections in the Near-IR to Determine the Long-Wavelength Cut-off for the Habitable Worlds Observatory Coronagraph
https://arxiv.org/abs/2602.12353

TSSC comet-centered data products from TESS 3I/ATLAS observations
https://arxiv.org/abs/2602.12364

A Protoplanet Candidate in the PDS 66 Disk Indicated by Silicon Sulfide Isotopologues
https://arxiv.org/abs/2602.12522

KMT-2016-BLG-1337L: A Saturn-mass planet orbiting within a binary system of low-mass stars
https://arxiv.org/abs/2602.12610

Gaps and Rings: A Near-Universal Trait of Extended Protoplanetary Discs
https://arxiv.org/abs/2602.12906

Pre-perihelion Emergence of the CN Gas Coma in 3I/ATLAS Temporally and Spatially Resolved by the 7-Dimensional Telescope
https://arxiv.org/abs/2602.12930

TIC-65910228 b / NGTS-38 b, a 180 day transiting warm super-Jupiter
https://arxiv.org/abs/2602.12977

TIC65910228b: A single-transit discovery of a massive long-period warm Jupiter with TESS
https://arxiv.org/abs/2602.13125

Cold and eccentric: a high-spectral resolution view of 51 Eri b with VLT/HiRISE
https://arxiv.org/abs/2602.10260

Carbon from Interstellar Clouds to Habitable Worlds
https://arxiv.org/abs/2602.10308

Early Architecture Concepts for the Habitable Worlds Observatory – System Design, Modeling, and Analysis
https://arxiv.org/abs/2602.11046

Long-Term Evolution of Close-in Sub-Neptunes and Outer Planetary Embryos: Atmospheric Mass Loss and Origin of Planets Inside and Outside the Radius Gap
https://arxiv.org/abs/2602.10245

Sulfur Enrichment in Close-in Exoplanet Atmospheres Induced by Pebble Drift across the Salt Line
https://arxiv.org/abs/2602.05300

Can the Timing of the Origin of Life Be Inferred from Trends in the Growth of Organismal Complexity?
https://www.mdpi.com/2075-1729/16/1/153

The RoPES project with HARPS and HARPS-N: II. A third planet in the multi-planet system HD 176986
https://www.aanda.org/articles/aa/full_html/2026/01/aa57287-25/aa57287-25.html

The nature of ASASSN-24fw’s occultation: modelling the event as dimming by optically thick rings around a substellar companion
https://academic.oup.com/mnras/article/546/3/staf2251/8471205

The CO snow line favours strong clumping by the streaming instability in protoplanetary discs with porous grains
https://www.aanda.org/articles/aa/full_html/2026/02/aa57914-25/aa57914-25.html

Coexistence of coagulation and streaming instabilities in protoplanetary disks
https://www.aanda.org/articles/aa/full_html/2026/02/aa58040-25/aa58040-25.html

Dynamical evolution of massless particles in star clusters with NBODY6++GPU-MASSLESS: II. The long-term evolution of free-floating comets
https://www.aanda.org/articles/aa/full_html/2026/02/aa57334-25/aa57334-25.html

Starlight-driven flared-staircase geometry in radiation hydrodynamic models of protoplanetary disks
https://www.aanda.org/articles/aa/full_html/2026/02/aa56928-25/aa56928-25.html

ExoNAMD: Leveraging the spin–orbit angle to constrain the dynamics of multi-planet systems
https://www.aanda.org/articles/aa/full_html/2026/02/aa57279-25/aa57279-25.html

Evaluation of non-invasive brain stimulation techniques for use on long duration spaceflight missions
https://www.sciencedirect.com/science/article/abs/pii/S0094576526000937

The Relative Cold-trapping Likelihood of Water on Airless Rocky Bodies
https://iopscience.iop.org/article/10.3847/PSJ/ae3946

TSSC Comet-centered Data Products from TESS 3I/ATLAS Observations
https://iopscience.iop.org/article/10.3847/2515-5172/ae43bd

Global magnetohydrodynamic simulations of the inner regions of protoplanetary discs. II. Vertical-net-flux regime
https://arxiv.org/abs/2602.11818

The Radius Cliff is a Waterfall: Explaining Sub-Neptune Exoplanets with Steam Worlds
https://arxiv.org/abs/2602.11923

Oxygen left behind: Atmospheric Enrichment due to Fractionation in Sub-Neptunes using BOREAS
https://arxiv.org/abs/2602.12201

Zooming into the water snowline: high resolution water observations of the HL Tau disk
https://arxiv.org/abs/2511.16737

Efficient reduction of stellar contamination and noise in planetary transmission spectra using neural networks
https://arxiv.org/abs/2602.10330

Observational Signatures of Circumstellar Gas Tori Formed by Planetary Mass Loss from Close-In Exoplanets
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stag293/8482758

Two Potential Exoplanets around A-type Stars Selected from 18 Planetary Candidates
https://iopscience.iop.org/article/10.3847/1538-3881/ae3a88

Not Earth-like Yet Temperate? More Generic Climate Feedback Configurations Still Allow Temperate Climates in Habitable Zone Exo-Earth Candidates
https://arxiv.org/abs/2602.10369