Interstellar Updates

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

A Fast, Parallelized, GPU-accelerated Photochemical Model, XODIAC, with Built-in Equilibrium Chemistry and Multiple Chemical Networks for Exoplanetary Atmospheres
https://iopscience.iop.org/article/10.3847/1538-4357/ae2d18

From Searching for Extraterrestrial Biosignatures to Exploring the Origins of Life: A Prebiotic Chemistry Perspective
https://www.sciencedirect.com/science/article/pii/S2667325826000361

Medicinal Plants in the Space Exploration Era: Opportunities and Challenges for Mitigating Spaceflight-Induced Health Hazards
https://www.mdpi.com/2076-3417/16/4/1860

Microbial biomining from asteroidal material onboard the international space station
https://www.nature.com/articles/s41526-026-00567-3

Modelling the Milky Way’s exoplanet population based on cosmological galaxy simulations
https://www.aanda.org/articles/aa/full_html/2025/12/aa57051-25/aa57051-25.html

Data-driven beam diagnostics using betatron radiation
https://iopscience.iop.org/article/10.1088/1361-6587/ae3eb3

Accelerating exoplanet climate modelling
https://www.aanda.org/articles/aa/full_html/2026/02/aa55631-25/aa55631-25.html

Architectures of Planetary Systems. II. Trends with Host Star Mass and Metallicity
https://iopscience.iop.org/article/10.3847/1538-3881/ae3aa6

Could Mathematics Be the Language of the Universe?: An Insight from Our Distant Relatives
https://direct.mit.edu/leon/article-abstract/59/1/80/134427/Could-Mathematics-Be-the-Language-of-the-Universe

Exploring stellar activity in a sample of active M dwarfs
https://www.aanda.org/articles/aa/full_html/2025/12/aa54816-25/aa54816-25.html

Gas-depleted planet formation occurred in the four-planet system around the red dwarf LHS 1903
https://www.science.org/doi/10.1126/science.adl2348

Exploring student attitudes in astrobiology laboratory sessions within an astronomical observatory: A questionnaire-based study
https://zenodo.org/records/18453425

Refractive indices of photochemical haze analogs for Solar System and exoplanet applications: A cross-laboratory comparative study between the PAMPRE and COSmIC experimental setups
https://www.aanda.org/articles/aa/full_html/2026/02/aa55916-25/aa55916-25.html

Searching for GEMS: The Occurrence of Giant Planets Orbiting M Dwarfs within 100 pc
https://iopscience.iop.org/article/10.3847/1538-3881/ae2fbb

Hubble’s Multiyear Search for Exospheres in the TRAPPIST-1 System Reveals Frequent Microflares
https://iopscience.iop.org/article/10.3847/2041-8213/ae3f2b

Detectability of Atmospheric Biosignatures in Earth Analogs with Varying Surface Boundary Conditions: Prospects for Characterization in the UV, Visible, Near-infrared, and Mid-infrared Regions
https://iopscience.iop.org/article/10.3847/1538-4357/ae29e9

ExoClock Project. IV. A Homogeneous Catalog of 620 Updated Exoplanet Ephemerides
https://iopscience.iop.org/article/10.3847/1538-4365/ae3238

What Is Space Bioethics?
https://onlinelibrary.wiley.com/doi/10.1111/bioe.70082

Factors Affecting Exoplanet Habitability (from Handbook of Exoplanets)
https://link.springer.com/rwe/10.1007/978-3-319-30648-3_57-2

astromorph: Self-supervised machine learning pipeline for astronomical morphology analysis
https://arxiv.org/abs/2602.09223

Characterisation of starspot structure and differential rotation of Kepler-411
https://arxiv.org/abs/2602.09224

The compositions of the HR 8799 planets reflect accretion of both solids and metal-enriched gas
https://arxiv.org/abs/2602.09422

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

Space AI: Leveraging Artificial Intelligence for Space to Improve Life on Earth
https://arxiv.org/abs/2512.22399v2

Orbital Parameters and Planetary Radius of 55 Cancri e from TESS Data
https://www.mdpi.com/2674-0346/5/1/3

SOLAR External: 1I/ʻOumuamua — Coherence Signature on SOLAR Baseline (CP364)
https://zenodo.org/records/18480713

Exoplanet Detection via Saline Ionization: Ionic Atmospheres as Coherent Biosignatures
https://zenodo.org/records/18559377

The chemical habitability of Earth and rocky planets prescribed by core formation
https://www.nature.com/articles/s41550-026-02775-z

The quest for Magrathea planets – II. Orbital stability of exoplanets formed around double white dwarfs
https://www.aanda.org/articles/aa/full_html/2026/02/aa52890-24/aa52890-24.html

Aligned, Misaligned, and Polar Orbits of Hot Jupiters: Measuring Spin-orbit Angles via Doppler Tomography with HARPS-N
https://iopscience.iop.org/article/10.3847/1538-3881/ae3b27

A High-resolution Near-Ultraviolet Transmission Spectrum of KELT-9b: Mg II and Fe II Escaping from the Hottest Known Giant Planet
https://iopscience.iop.org/article/10.3847/1538-3881/ae30e2

Preperihelion CN Production Rate of Interstellar Comet 3I/ATLAS
https://iopscience.iop.org/article/10.3847/2041-8213/ae3dd7

Somaforming on an alien Earth
https://www.sciencedirect.com/science/article/pii/S0016718526000278

Beyond the Hyperbola: The Torque‑Entrained Interstellar Object Taxonomy (TEIOT) and the Coherent Prototype 3I/ATLAS
https://zenodo.org/records/18523910

A New Strategy for Using Spectroscopic Phase Curves to Characterize Non-Transiting Planets
https://arxiv.org/abs/2602.07127

Imagining the Alien: Human Projections and Cognitive Limitations
https://arxiv.org/abs/2602.07284

Impact of embedded circumplanetary winds on the circumstellar disk: I. Reshaping the local accretion environment
https://arxiv.org/abs/2602.08087

JWST spectral retrieval of cold directly imaged planet WD0806 b and the first measurement of altitude-dependent KZZ in exoplanet atmospheres
​https://arxiv.org/abs/2602.08200

RedDots: Multiplanet system around M dwarf GJ 887 in the solar neighborhood
https://arxiv.org/abs/2602.08929

Two Robust Interstellar Meteor Candidates in the Post-2018 CNEOS Fireball Database
https://arxiv.org/abs/2602.08956

The Great Filter hypothesis — a new Great Filter?
https://arxiv.org/abs/2602.08188

Memory-Driven Wavelet Network for lightweight infrared image super-resolution
https://www.sciencedirect.com/science/article/abs/pii/S135044952600085X

Life and AI at NASA: An Ethnography of How Scientists and Engineers Make Tools to Explore Other Worlds
https://research.chalmers.se/publication/550000

Hypothesis: The Retrograde Debris Complex (3I/ATLAS, Niku, Drac) as the Kinematic Signature of “Planet Nine”
https://zenodo.org/records/18468901

Is There Life on 3I/ATLAS?
https://avi-loeb.medium.com/is-there-life-on-3i-atlas-3dbb31ed13bf

The Existence of Extraterrestrial Civilizations and Their Implications for Political Philosophy
https://www.researchgate.net/publication/400299217_The_Existence_of_Extraterrestrial_Civilizations_and_Their_Implications_for_Political_Philosophy

A parametric model for externally irradiated protoplanetary disks with photoevaporative winds
https://arxiv.org/abs/2602.02011

Probing habitable regions with SRG/eROSITA
https://arxiv.org/abs/2602.06124

AB Aur, a Rosetta stone for studies of planet formation (IV): C/O estimates from CS and SO interferometric observations
https://arxiv.org/abs/2602.06551

The effect of JWST/NIRSpec data reduction on the retrieval of WASP-39b atmospheric properties
https://arxiv.org/abs/2602.06722

Earth-Cosmos Binary
https://www.sciencedirect.com/science/article/abs/pii/S001632872600025X

The Origins of Planets for ArieL (OPAL) Key Science Project: The end-to-end planet formation campaign for the ESA space mission Ariel
https://www.sciencedirect.com/science/article/pii/S2213133726000053