Interstellar Updates

Stringent selection on kinetics of condensation reactions: early steps in chemical evolution
https://pubs.rsc.org/en/content/articlelanding/2026/cp/d5cp03057a

A Narrowband Technosignature Search Toward the Hycean Candidate K2-18b Using the VLA and MeerKAT
https://arxiv.org/abs/2602.09553

Abiogenesis in Light of the Cosmological Principle
https://bis-space.com/shop/product/jbis-078-11-0377/

Demonstrating Exoplanet Transit Photometry from Space with a 15 mm Aperture Optical Navigation Camera on Hayabusa2
https://iopscience.iop.org/article/10.3847/1538-3881/ae3b28

Random Forest Classification with Physical Feature Engineering for Kepler Exoplanet Candidate Validation
https://tns.ewapub.com/article/view/31874

Mass-Radius Relations and Water Retention in Transiting Exoplanets: A Regime-Based Empirical Study
https://www.researchgate.net/publication/401038407_Mass-Radius_Relations_and_Water_Retention_in_Transiting_Exoplanets_A_Regime-Based_Empirical_Study

Feasibility constraints and detectability of habitable class B stellar engines at maximum performance
https://iopscience.iop.org/article/10.1088/1402-4896/ae4a5c

Constraining the Lifespan of Intelligent Technological Civilization in the Galaxy
https://arxiv.org/abs/2602.22252

JWST COMPASS: NIRSpec/G395H Transmission Observations of the Sub-Neptune HD 15337 c
https://arxiv.org/abs/2602.22327

JWST COMPASS: A NIRSpec G395H Transmission Spectrum of Radius Valley-Dweller TOI-260 b
https://arxiv.org/abs/2602.22329

PICASO 4.0: Clouds and Photochemistry in Climate Models of Brown Dwarfs and Exoplanets
https://arxiv.org/abs/2602.22468

JWST-DECO: Temporal Variations in the Mid-IR Silicate Features of Two T Tauri Discs Based on Spitzer and JWST observations
https://arxiv.org/abs/2602.22615

Probing the Atmospheres of Young Long-Period Sub-Neptune Progenitors with ELT/ANDES
https://arxiv.org/abs/2602.22830

Detection of circumstellar disks around nearby young brown dwarf candidates
https://arxiv.org/abs/2602.22832

Eating planets makes you younger: The magnetic dynamo rejuvenation of GJ 504 by planetary engulfment
https://arxiv.org/abs/2602.22979

Characterising the magnetospheric accretion process of DF Tauri’s primary
https://arxiv.org/abs/2602.23015

TEPCat: The Transiting Extrasolar Planet Catalogue
https://arxiv.org/abs/2602.23102

Elevated Eccentricities in the Radius Valley Hint at Water-Rich Mini-Neptunes
https://arxiv.org/abs/2602.23250

Dyson spheres on H-R diagram
https://arxiv.org/abs/2602.23270

TESS Planet Occurrence Rates Reveal the Disappearance of the Radius Valley Around Mid-to-Late M Dwarfs
https://arxiv.org/abs/2602.23364

Spaceborne health management standards for autonomous operations: A review and outlook
https://www.sciencedirect.com/science/article/abs/pii/S0094576526001323

An adolescent and near-resonant planetary system near the end of photoevaporation
https://www.nature.com/articles/s41550-026-02795-9

A high-fidelity simulator for evaluation of hemodynamic response during cardiopulmonary resuscitation in hypogravity environments
https://www.nature.com/articles/s41526-026-00577-1

Discovery of Seven Cold and Distant Brown Dwarfs with JWST RUBIES
https://iopscience.iop.org/article/10.3847/1538-3881/ae40f1

Chasing the Tides: Searching for Orbital Decay Signatures in Transit Timing Data and Tidal Models for 20 Hot Jupiters
https://iopscience.iop.org/article/10.1088/1538-3873/ae406a

The observation of Earth-like exoplanets with ground-based telescopes and a shared orbiting starshade
https://www.nature.com/articles/s41550-026-02787-9

Exoplanets – The Search for Earth’s Twin
https://link.springer.com/book/9783032226839

Magnetic Evolution of Super-Earth Exoplanets With a Basal Magma Ocean
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2025JE009447

Quantitative Symmetry-Based Inference in Exoplanet Phase Systems: Toy Model, Coherence Functional, and Stability Bounds in a C12 Framework
https://zenodo.org/records/18747082

Environmental Signatures as C12-Invariant Bundles A Symmetry-First Framework for Coherent Exoplanet Inference
https://zenodo.org/records/18746653

Primary Stress Factors and Adaptive Mechanisms of Microalgae in Space Environments and Their Applications in Space Life Support Systems
https://www.mdpi.com/2223-7747/15/5/697

Space Agriculture: A Comprehensive Systems-Level Review of Challenges and Opportunities
https://www.mdpi.com/2077-0472/15/24/2541

Human Responses to Magnetic and Hypomagnetic Fields: Available Evidence and Potential Risks for Deep Space Travel
https://www.mdpi.com/2075-1729/15/11/1766 

Planet Migration in Protoplanetary Disks with Rims
https://iopscience.iop.org/article/10.3847/1538-4357/ae4029

Rattle-and-Break: the Impact of Planetesimal Scattering on Super-Earth Resonant Chains
https://arxiv.org/abs/2602.21349

HATPI Pre-Perihelion Time-series Photometry of the Interstellar Comet 3I/ATLAS
https://arxiv.org/abs/2602.21586

Computing natural magnitudes in the photometric systems of astronomical plates using Gaia DR3 spectral energy distributions
https://www.aanda.org/articles/aa/full_html/2026/03/aa57161-25/aa57161-25.html

Spectroscopic Signatures and Photochemical Stability of the ClSO3 and ClOSO2 Radicals: New Benchmarks for Atmospheric and Astrochemical Models
https://iopscience.iop.org/article/10.3847/1538-4357/ae3de8/meta

Hierarchical and Democratic Regimes in Multi-Planet Architectures Revealed by Action-Space Entropy
https://www.authorea.com/doi/full/10.22541/au.177187989.95813399

Eccentricity Evolution of Warm Jupiters: The Role of Distant Perturbers and Nearby Companions
https://arxiv.org/abs/2602.11531

Astroecology as a Promising Natural Science Field
https://link.springer.com/article/10.1134/S0038094625601276

Photosynthetic exergy I. Thermodynamic limits for habitable-zone planets
https://arxiv.org/abs/2602.20789

Distinguishing life from non-life via molecular frontier orbital energy gaps
https://arxiv.org/abs/2602.18490

A hierarchical cooperative control strategy for state-of-charge balancing for parallel energy storage systems in all-electric propulsion ships
https://link.springer.com/article/10.1007/s00202-026-03540-1

Planet formation at the inner edge of the dead zone – I: the interplay between accretion outbursts and dust growth
https://arxiv.org/abs/2602.20283

Multiplicity of UZ Lyr revisited: Two-companion model and its dynamical stability
https://www.sciencedirect.com/science/article/abs/pii/S1384107626000163

Preperihelion Volatile Evolution of Interstellar Comet 3I/ATLAS Indicating Significant Contribution from an Extended Source in the Coma
https://iopscience.iop.org/article/10.3847/2041-8213/ae45a2/meta

Investigating Possible Stellar Coronal Mass Ejections in M-type Dwarfs Using the CARMENES Data Release 1 Spectra
https://iopscience.iop.org/article/10.3847/1538-4357/ae3f1d/meta

Stellar flare study of nearby young moving group members with TESS Data
https://arxiv.org/abs/2602.20402

Scattering, Migration, Re-circularization and Relaxation to Build Out Galaxy Disks with Exponential Profiles
https://arxiv.org/abs/2602.21171

Internalizing null extraterrestrial “signals”: An astrobiological app for a technological society
https://www.academia.edu/99049110/Internalizing_null_extraterrestrial_signals_An_astrobiological_app_for_a_technological_society

The impact of stellar migration and gas giants on Galactic habitability
https://zenodo.org/records/18739434

Exoplanets – The Search for Earth’s Twin
https://link.springer.com/book/9783032226839

NIRPS tightens the mass estimate of GJ 3090 b and detects a planet near the stellar rotation period
https://www.aanda.org/articles/aa/full_html/2026/02/aa56887-25/aa56887-25.html

A dichotomy of the mass–metallicity relation of exoplanetary atmospheres demarcated by their birthplace
https://academic.oup.com/pasj/advance-article-abstract/doi/10.1093/pasj/psaf157/8494910

The MIRI Excesses Around Degenerates (MEAD) Survey. II. A Probable Planet Detected via IR Excess around WD 0644+025
https://iopscience.iop.org/article/10.3847/1538-3881/ae3c0e

Bayesian Analysis for Remote Biosignature Identification on exoEarths (BARBIE). IV. Analyzing CO2 Detections in the Near-IR to Determine the Long-wavelength Cutoff for the Habitable Worlds Observatory Coronagraph
https://iopscience.iop.org/article/10.3847/1538-3881/ae3c81

Interstellar and Exoplanetary Management, A Theoretical Framework for Extraterrestrial Governance
https://www.researchgate.net/publication/401041572_Interstellar_and_Exoplanetary_Management_A_Theoretical_Framework_for_Extraterrestrial_Governance

Topography-Induced Stationary Waves and the Onset of Nightside Warming on Rocky Planets around M-dwarf Stars
https://arxiv.org/abs/2602.20155

The Orbital Eccentricity–Radius Distribution for Warm, Single Planets in TESS
https://arxiv.org/abs/2602.20015

LRG-BEASTS: Detection of sodium and evidence for water absorption in the hot Saturn HAT-P-44
https://arxiv.org/abs/2602.19986

Tempawral: A Time-Resolved Retrieval Framework for Variable Brown Dwarfs and Exoplanets
https://arxiv.org/abs/2602.18984

POSEIDON I: The Dynamical Origins of Transiting Neptunes
https://arxiv.org/abs/2602.18553

Periodic Wobble of the Post-Perihelion Jet Structure Around 3I/ATLAS
https://arxiv.org/abs/2602.18512

Exo Skryer: A JAX-accelerated sub-stellar atmospheric retrieval framework
https://arxiv.org/abs/2602.19687

JWST COMPASS: Insights into the Systematic Noise Properties of NIRSpec/G395H from a Uniform Reanalysis of Seven Transmission Spectra
https://iopscience.iop.org/article/10.3847/1538-3881/ae3de9

Identifying Exoplanets with Deep Learning VI. Enhancing neural network mitigation of stellar activity RV signals with additional metrics
https://arxiv.org/abs/2602.17760

Inhomogeneous magnetic coupling in exoplanets: the stop & go of WASP-18 b’s atmospheric flows
https://arxiv.org/abs/2602.18101

The GAPS Programme at the TNG: LXX. TOI-5734b: A hot sub-Neptune orbiting a relatively young K dwarf with an Earth-like density
https://arxiv.org/abs/2602.18108

The Dispersed Matter Planet Project Sample – Detection limits, Occurrence Rates and New Planets
https://arxiv.org/abs/2602.18207

PDRs4All XXI. JWST-NIRCam Photometric properties of protoplanetary disks in the Orion Nebula Cluster
https://arxiv.org/abs/2602.16262

Atmospheric Variety of Ocean Planets – a One-Dimensional Radiative-Convective Equilibrium Model
https://academic.oup.com/ptep/advance-article/doi/10.1093/ptep/ptag033/8488769

Xenomusicology
https://www.cambridge.org/core/journals/organised-sound/article/xenomusicology/97B09A763778B27E586754EC4EBC5249