Interstellar Updates

A second planetesimal collision in the Fomalhaut system
https://www.science.org/doi/10.1126/science.adu6266

Three eruptions at the Fagradalsfjall Volcano in Iceland show rapid and predictable microbial community establishment
https://www.nature.com/articles/s42003-025-09044-1

Astrometric view of companions in the inner dust cavities of protoplanetary discs
https://arxiv.org/abs/2512.00157

An Ancient Brown Dwarf Transiting a Metal-Poor Thick Disk Star
https://arxiv.org/abs/2512.06069

A Carbon-rich Atmosphere on a Windy Pulsar Planet
https://iopscience.iop.org/article/10.3847/2041-8213/ae157c

An in-situ 3D elemental imager for planetary missions based on active neutron interrogation
https://www.nature.com/articles/s44453-025-00012-x

Compressibility and strength of pebble piles
https://www.aanda.org/articles/aa/full_html/2025/12/aa56254-25/aa56254-25.html

The formation and structure of iron-dominated planetesimals
https://www.aanda.org/articles/aa/full_html/2025/12/aa54674-25/aa54674-25.html

N-body interactions and collisions in circumstellar disks for planar and inclined binary star configurations
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf2230/8383414

A Bayesian Analysis of Abiogenesis in the Light of Recent Data from K2-18b
https://iopscience.iop.org/article/10.3847/2515-5172/ae2d50

TIC 318249571.01: A New Hot-Jupiter Transiting Planet Candidate from TESS Data
https://iopscience.iop.org/article/10.3847/2515-5172/ae2de9

Hard X-Ray Emission in AU Mic Flares: A Minor Contributor to Planetary Atmospheric Escape
https://iopscience.iop.org/article/10.3847/1538-4357/ae1971

Goals and trends in space exploration: An overview of the panel on exploration sessions at the committee on space research general assembly 2024
https://www.sciencedirect.com/science/article/pii/S2214552425001488

Understanding the chemistry of temperate exoplanets atmospheres: A study of oxidized organic compounds as precursors of photochemical condensates
https://meetingorganizer.copernicus.org/EPSC2024/EPSC2024-218.html

Observing spatial and temporal variations in the atmospheric chemistry of rocky exoplanets: prospects for mid-infrared spectroscopy
https://arxiv.org/abs/2512.16619

Probing thermal gradients of habitable-zone rocky planets using direct imaging as an anti-indicator of a global surface ocean
https://arxiv.org/abs/2512.16575

Transformational astrophysics and exoplanet science with Habitable Worlds Observatory’s High Resolution Imager
https://arxiv.org/abs/2512.16416

Understanding the chemistry of temperate exoplanets atmospheres through experimental and numerical simulations
https://arxiv.org/abs/2512.16421

Maximizing the sensitivity of ELT to habitable worlds with a space-based starshade
https://arxiv.org/abs/2512.16361

An Improved Machine Learning Approach for RFI Mitigation in FAST-SETI Survey Archival Data
https://arxiv.org/abs/2512.15809

A JWST Transmission Spectrum of the Temperate Sub-Neptune TOI-732 c
https://arxiv.org/abs/2512.15844

Axisymmetric Modeling of DSHARP Dusty Disks: Asymmetric Structures and Inner-Disk Dispersal
https://arxiv.org/abs/2512.16091

Discovery of a rapidly evolving global magnetic field in the M-dwarf YZ Cet and constraints on the magnetic field of its planet YZ Cet b
https://arxiv.org/abs/2512.16298

A Radio Search for Star-Planet Interaction in TOI-540 and SPECULOOS-3
https://arxiv.org/abs/2512.16852

JWST/NIRSpec Detects Warm CO Emission in the Terrestrial-Planet Zone of HD 131488
https://arxiv.org/abs/2512.11972

The Emergence of Prebiotic Chemistry in the ISM
https://arxiv.org/abs/2512.14772

Photon Dynamics and Collision Risks in Relativistic Spaceflight: A Comparative Study of Methods and Implications
https://arxiv.org/abs/2512.08447

Low-Power Solar Sail Control using In-Plane Forces from Tunable Buckling of Kirigami Films
https://arxiv.org/abs/2512.13596

Deployable Prototype Testing and Control Allocation of the CABLESSail Concept for Solar Sail Shape Control and Momentum Management
https://arxiv.org/abs/2512.13493

Sequential Convex Programming for Multimode Spacecraft Trajectory Optimization
https://arxiv.org/abs/2511.19505

Propellantless space exploration
https://arxiv.org/abs/2510.21743

Pre-perihelion evolution of the NiI/FeI abundance ratio in the coma of the interstellar comet 3I/ATLAS: From extreme to normal
https://arxiv.org/html/2509.26053v2

Cyanobacteria Under UV Radiation: General Insights into Stress Responses
https://pmc.ncbi.nlm.nih.gov/articles/PMC12652804/

Fungal–Mineral Interaction: Astrobiology Insights from Iron-Rich Mineral Alteration by an Extremophile Black Fungus
https://pubs.acs.org/doi/10.1021/jacsau.5c01365

A Multidisciplinary Perspective on Interstellar, Interplanetary, and Intergalactic Travel
https://spj.science.org/doi/10.34133/space.0440

The Passive Intelligence Receiver (PIR) Model: A Framework for Silent Extraterrestrial Artifacts
https://zenodo.org/records/17936904

Matching the Alcubierre and Minkowski spacetimes
https://arxiv.org/abs/2512.12541

Mars Orbit Anomaly of Interstellar Object 3I/ATLAS between 9 October and 25 November 2025
https://zenodo.org/records/17966442

Mechanism for water formation on rocky exoplanets demonstrated in the lab
https://www.nature.com/articles/d41586-025-04015-2

Vibrationally excited H2 muting the He I triplet line at 1.08 μm on warm exo-Neptunes
https://www.aanda.org/articles/aa/full_html/2025/12/aa58117-25/aa58117-25.html

DDO Photometry and the NASA ExEP Star List (2023 Version) for the Habitable Worlds Observatory Mission
https://iopscience.iop.org/article/10.3847/2515-5172/ae2d23

Fractionation of heavier species in the hydrogen atmosphere. Asymptotic approach
https://www.sciencedirect.com/science/article/abs/pii/S0032063325001990

Satellites and Small Bodies With ALMA: Insights Into Solar System Formation and Evolution
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2025AV001778

Subsurface Life on Earth as a Key to Unlock Extraterrestrial Mysteries
https://enviromicro-journals.onlinelibrary.wiley.com/doi/10.1111/1751-7915.70286

The Future of Evolved Planetary Systems
https://arxiv.org/abs/2512.14774

Why the Northern Hemisphere Needs a 30-40 m Telescope and the Science at Stake. How do Planetary Systems Form?
https://arxiv.org/abs/2512.14782

Why the Northern Hemisphere Needs a 30-40m Telescope and the Science at Stake: from Interstellar Visitors to Planetary Defence
https://arxiv.org/abs/2512.14785

A Comparison of 1D and 3D Exoplanet Atmosphere Model Grids: ScCHIMERA and the SPARC/MITgcm
https://arxiv.org/abs/2512.14882

Modeling of Collisional Outcomes Based on Impact Simulations of Mars-sized Bodies
https://arxiv.org/abs/2512.15136

Are Humans Alone in the Cosmos?
https://www.mdpi.com/2077-1444/16/12/1589

Null Result of Entropic-Temporal Coupling in Interstellar Objects
https://zenodo.org/records/17946138

Challenges in the detection of gases in exoplanet atmospheres
https://www.nature.com/articles/s41550-025-02730-4

Dust back reaction on gas around planets modifies the cold thermal torque
https://www.aanda.org/articles/aa/full_html/2025/12/aa52971-24/aa52971-24.html

Giant planet evolution with MESA
https://www.aanda.org/articles/aa/full_html/2025/12/aa56537-25/aa56537-25.html

Knobs and dials of retrieving JWST transmission spectra II. Impacts of pipeline-level differences on retrieval posteriors
https://www.aanda.org/articles/aa/full_html/2025/12/aa56553-25/aa56553-25.html

Searching for GEMS: TOI-5349 b is a Saturn-like Planet Orbiting a Metal-rich Early M Dwarf
https://iopscience.iop.org/article/10.3847/1538-3881/ae16a2

Unexpected Near-Resonant and Metastable States of Young Multiplanet Systems
https://iopscience.iop.org/article/10.3847/1538-4357/ae173c

The Detection-versus-retrieval Challenge: Titan as an Exoplanet
https://iopscience.iop.org/article/10.3847/2041-8213/ae27c2

The two-dimensional structure of circumplanetary disks and their radiative signatures
https://www.sciencedirect.com/science/article/pii/S0019103525004610

The next frontier in exoplanet science: Imaging our neighbouring planetary systems
https://arxiv.org/abs/2512.13756

Evolving the Loeb Scale
https://arxiv.org/abs/2512.13743

Direct imaging characterization of cool gaseous planets
https://arxiv.org/abs/2512.13766

Hot Jupiters in Old Wide-Binary Systems
https://arxiv.org/abs/2512.13773

Doomed Worlds II: Reassessing Suggestions of Orbital Decay for TrES-5 b
https://arxiv.org/abs/2512.13937

The quest for Magrathea planets. II. Orbital stability of exoplanets formed around double white dwarfs
https://arxiv.org/abs/2512.14460

Detection of CO, CO, and HO in the atmosphere of the warm sub-Saturn HAT-P-12b
https://arxiv.org/abs/2507.18722

On the Plausibility of Intelligent Life on Other Worlds: A Cognitive-Semiotic Assessment of fi · fc · L
https://read.dukeupress.edu/environmental-humanities/article/9/2/433/133027/On-the-Plausibility-of-Intelligent-Life-on-Other

Geometric Propulsion via Controlled Energy Field Gradients: A Theoretical Framework within Cosmic Energy Inversion CEIT Theory
https://www.academia.edu/145259211/Geometric_Propulsion_via_Controlled_Energy_Field_Gradients_A_Theoretical_Framework_within_Cosmic_Energy_Inversion_CEIT_Theory

CoronaGraph Instrument Reference Stars for Exoplanets (CorGI-REx). I. Preliminary Vetting and Implications for the Roman Coronagraph and Habitable Worlds Observatory
https://iopscience.iop.org/article/10.3847/1538-3881/ae1d68

Irradiated Atmospheres. IV. Effect of Mixing Heat Flux on Chemistry
https://iopscience.iop.org/article/10.3847/1538-4357/ae1962

Characterization of the Host Binary of the Directly Imaged Exoplanet HD 143811 AB b
https://iopscience.iop.org/article/10.3847/2041-8213/ae1a67

A Compact Multiplanet System of Three Transiting Giant Planets around TIC 118798035
https://iopscience.iop.org/article/10.3847/2041-8213/ae2603

Doomed Worlds. II. Reassessing Suggestions of Orbital Decay for TrES-5 b
https://iopscience.iop.org/article/10.3847/PSJ/ae1b9c

Aperture-averaged Polarimetry of the Second Interstellar Comet 3I/ATLAS within the Snow Line
https://iopscience.iop.org/article/10.3847/2515-5172/ae2b6b

From Earths to Super-Earths: Five New Small Planets Transiting M Dwarf Stars
https://arxiv.org/abs/2512.11971

X-ray Evolution of Young Stars: Early Dimming and Coronal Softening in Solar-Mass Stars with Implications for Planetary Atmospheres
​https://arxiv.org/abs/2512.12055

A Comprehensive Sulfur Chemistry Network with Excited S(1D) and SO(1Δ) for XODIAC Photochemical Model: Validation on Venus and Implications for Exo-Venus Atmospheres
https://arxiv.org/abs/2512.12270

Transients as Determinants of Habitability
https://arxiv.org/abs/2512.12456

The Paradox Within the Paradox: Why “Where Is Everybody?” Might Be the Wrong Question
https://philpapers.org/rec/TEITPW

A5 3 Theoretical Feasibility of a BH-Powered Starship
https://journals.le.ac.uk/index.php/pst/article/view/5125

CPI-C: Cool Planet Imaging Coronagraph on Chinese Space Station Survey Telescope
https://arxiv.org/abs/2512.11292

JWST-TST High Contrast: Medium-resolution spectroscopy reveals a carbon-rich circumplanetary disk around the young accreting exoplanet Delorme 1 AB b
https://www.aanda.org/articles/aa/full_html/2025/12/aa56792-25/aa56792-25.html

Sublimation-Propelled Interstellar Transport Using Differentiated Cometary Bodies
https://osf.io/w23nv/overview

JWST/NIRCam observations of HD 92945 debris disk: An asymmetric disk with a gap
https://www.aanda.org/articles/aa/full_html/2025/12/aa55602-25/aa55602-25.html

ExoDNN: Boosting exoplanet detection with artificial intelligence: Application to Gaia Data Release 3
https://www.aanda.org/articles/aa/full_html/2025/12/aa55598-25/aa55598-25.html

Was the Solar System’s dynamical instability triggered by a (sub)stellar flyby?
https://www.sciencedirect.com/science/article/abs/pii/S0019103525004580

Evidence for No Orbital Decay in the Hot Jupiter XO-3b from Transit-timing Analysis
https://iopscience.iop.org/article/10.3847/2515-5172/ae2a24

Is the Anti-tail of 3I/ATLAS Composed of Macroscopic Non-volatile Objects?
https://iopscience.iop.org/article/10.3847/2515-5172/ae2b56

The Eschatian Hypothesis
https://iopscience.iop.org/article/10.3847/2515-5172/ae2adf

The Library of Exoplanet Atmospheric Composition Measurements: Population-level Trends in Exoplanet Composition with ExoComp
https://iopscience.iop.org/article/10.3847/1538-3881/ae1b8e

Machine Learning for Radial Velocity Analysis. I. Vision Transformers as a Robust Alternative for Detecting Planetary Candidates
https://iopscience.iop.org/article/10.3847/1538-3881/ae1115

Is Dark Energy Changing? Probing the Universe’s Expansion with Present and Future Astronomical Probes
https://iopscience.iop.org/article/10.3847/1538-4357/ae1294

JWST NIRSpec finds no clear signs of an atmosphere on TOI-1685 b
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf2187/8378092?searchresult=1

Mean Opacity Tables for Probing the Interior and Atmosphere of Giant Planets
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf2205/8378088?searchresult=1

The effects of stellar activity cycles on planetary atmospheric escape and the He i 1083 nm transit signature
https://academic.oup.com/mnras/article/545/2/staf1855/8379972?searchresult=1