Interstellar Updates

 

These are items of interest to the interstellar exploration community that we’ve found in our quest for information that will help us advance toward our goals.  If you know of anything we’ve overlooked, or any sources of such information we should monitor, or if you would like to be added to our IRG-updates mailing list and receive these updates in you email every weekday, please send that information to info@irg.space.

You can now search our database of interstellar updates and find items of interest to you.

October 17, 2025 updates

Interstellar Travel: After Arrival
https://www.sciencedirect.com/book/9780323916370/interstellar-travel

Evaluating Habitability and Biosignature Detection on TOI-700 d: The Role of UV Environment and Atmospheric Pressure
https://arxiv.org/abs/2510.14776

SETI Post-Detection Protocols: Progress Towards a New Version
https://arxiv.org/abs/2510.14506

The Abiotic Background as a Central Component of a Sample Safety Assessment Protocol for Sample Return
https://www.liebertpub.com/doi/10.1177/15311074251382156

Roadmap for Exoplanet High-Contrast Imaging: Nulling Interferometry, Coronagraph, and Extreme Adaptive Optics
https://www.mdpi.com/2304-6732/12/10/1030

The Relational Lattice: Architecting Planetary Coherence through Field Centric Consciousness in Human-AI Societies
https://zenodo.org/records/17347860

Initial Conditions of Planet Formation: Time Constraints from Small Bodies and the Lifetime of Reservoirs in the Solar Protoplanetary Disk
https://link.springer.com/article/10.1007/s11214-025-01216-z

Quantification of Tides in Giant Planets from Observations
https://link.springer.com/article/10.1007/s11214-025-01209-y

Existence and stability of equilibrium points in the perturbed R3BP with Stokes drag in the binary η- Cassiopeiae system
https://link.springer.com/article/10.1007/s11038-025-09567-x

Astroimmunology: the effects of spaceflight and its associated stressors on the immune system
https://www.nature.com/articles/s41577-025-01226-6

A flexible modular approach for the exploration and settlement of planetary environments
https://www.sciencedirect.com/science/article/pii/S0094576525006605

Dissociation and destruction of PAHs and PAH clusters induced by absorption of X-rays in protoplanetary discs around T Tauri stars
https://www.aanda.org/articles/aa/full_html/2025/10/aa47722-23/aa47722-23.html

Planetary Science and Exoplanets in the Era of JWST (IAU S393)
https://www.cambridge.org/core/books/planetary-science-and-exoplanets-in-the-era-of-jwst-iau-s393/7A350A9B5212529BE9B41A4A3AC3854C

Extreme Negative Polarization of New Interstellar Comet 3I/ATLAS
https://iopscience.iop.org/article/10.3847/2041-8213/ae0c08

Wind Power as a Technosignature on M-dwarf Planets
https://iopscience.iop.org/article/10.3847/2515-5172/ae13a7

Aligned, Multiple-transient Events in the First Palomar Sky Survey
https://iopscience.iop.org/article/10.1088/1538-3873/ae0afe

Demonstrating Exoplanet Transit Photometry from Space with a 15-mm Aperture Optical Navigation Camera on Hayabusa2
https://arxiv.org/abs/2510.14229

The Cosmic Island: Why Humanity May Never Leave the Solar System — Physical, Biological, and Philosophical Limits on Interstellar Travel
https://www.researchgate.net/publication/396560473_The_Cosmic_Island_Why_Humanity_May_Never_Leave_the_Solar_System_-_Physical_Biological_and_Philosophical_Limits_on_Interstellar_Travel

Spatial Profiles of 3I/ATLAS CN and Ni Outgassing from Keck/KCWI Integral Field Spectroscopy
https://arxiv.org/abs/2510.11779

NGTS-11 c: a transiting Neptune-mass planet interior to the warm Saturn NGTS-11 b
https://arxiv.org/abs/2510.14083

Search for exocomets transits in Kepler light curves: Ten new transits identified
https://arxiv.org/abs/2510.14687

October 16, 2025 updates

Pristine ices in a planet-forming disk revealed by heavy water
https://link.springer.com/article/10.1038/s41550-025-02663-y

Six microlensing planets detected via sub-day signals during the 2023–2024 season
https://www.aanda.org/articles/aa/full_html/2025/10/aa54557-25/aa54557-25.html

Can Lava Lakes from Planetary Debris form on Low-mass M Dwarfs?
https://iopscience.iop.org/article/10.3847/2515-5172/ae1238

Investigating the Sulfur Mystery in Protoplanetary Disks through Chemical Modeling
https://iopscience.iop.org/article/10.3847/1538-4357/ae0717

Current understanding of electroautotrophy and its relevance in astrobiology-related research
https://onlinelibrary.wiley.com/doi/10.1002/mlf2.70032

First Demonstration of Kernel Phase Interferometry on JWST/MIRI: Prospects for Future Planet Searches Around Post Main Sequence Stars
https://arxiv.org/abs/2510.13064

Prospects for the Crossing of Comet 3I/ATLAS’s Ion Tail
https://arxiv.org/abs/2510.13222

Investigating the Formation of Planets Interior to in situ Hot Jupiters
https://arxiv.org/abs/2510.13527

Planetary-mass companions to a retired B star BD+37 3172 and a retired F star BD+42 2315
https://arxiv.org/abs/2510.13728

Mapping the Cloud-Driven Atmospheric Dynamics & Chemistry of an Isolated Exoplanet Analog with Harmonic Signatures
https://arxiv.org/abs/2510.02260

October 15, 2025 updates

Interstellar Networking: Theoretical Framework for Communication Beyond the Solar System
https://d197for5662m48.cloudfront.net/documents/publicationstatus/283229/preprint_pdf/7a7cdb9ffe15e8821b6655de3dc1c08b.pdf

Did a NASA exoplanet-hunting balloon really ‘crash’ in Texas? Not according to the scientist behind the flight
https://www.space.com/space-exploration/did-a-nasa-exoplanet-hunting-balloon-really-crash-in-texas-not-according-to-the-scientist-behind-the-flight

Estimating the Performance of Patched Multirevolution Solar-Sail Transfers Around Planets
https://arc.aiaa.org/doi/10.2514/1.G009233

AMIGO: a Data-Driven Calibration of the JWST Interferometer
https://arxiv.org/abs/2510.09806

Image reconstruction with the JWST Interferometer
https://arxiv.org/abs/2510.10924

NIRPS and TESS reveal a peculiar system around the M dwarf TOI-756: A transiting sub-Neptune and a cold eccentric giant
https://www.aanda.org/articles/aa/full_html/2025/10/aa55684-25/aa55684-25.html

Destruction of “peas in a pod?”: A candidate multi-planet system around the nearby bright star HD 208487
https://www.aanda.org/articles/aa/full_html/2025/10/aa49563-24/aa49563-24.html

Hydrodynamical simulations of planet rebound migration in photo-evaporating disks
https://www.aanda.org/articles/aa/full_html/2025/10/aa56167-25/aa56167-25.html

Determining the impact of post-main sequence stellar evolution on the transiting giant planet population
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1771/8286899

Precise Physical Parameters, Habitability, and Orbital Stability of Sun-like SB2 Systems: HD 130669, HD 184467, HD 191854, and HD 214222
https://iopscience.iop.org/article/10.3847/1538-3881/ae0582

Spin and Obliquity Distributions of Low-mass Planets Shaped by Dynamical Instability
https://arxiv.org/abs/2510.11785

Searching for TOI-6158 b are two Saturn-density planets orbiting M2 dwarfs
https://arxiv.org/abs/2510.11798

A Systematic North-South asymmetry in the Steady-state Climate of rapidly-rotating Oblique Water Worlds
https://arxiv.org/abs/2510.11904

Near the Runaway: The Climate and Habitability of Teegarden’s Star b
https://arxiv.org/abs/2510.11940

Experimental tests of the calibration of high precision differential astrometry for HWO
https://arxiv.org/abs/2510.12270

An Ultra-Short Period Super-Earth and Sub-Neptune Spanning the Radius Valley Orbiting the Kinematic Thick Disk Star TOI-2345
https://arxiv.org/abs/2510.12783

Model of deep zonal flows in giant planets
https://arxiv.org/abs/2510.12236

October 14, 2025 updates

The Nature of Life: Implications for the Extraterrestrial Hypothesis
https://www.tandfonline.com/doi/abs/10.1080/02604027.2025.2569010

Laboratory study of amino acids on amorphous Mg-silicate using infrared spectroscopy and X-ray diffraction – implications for the survival and delivery of interstellar organics to the solar nebula and early Earth
https://academic.oup.com/mnras/article/543/2/951/8246662

ESA’s Mars Express and ExoMars orbiters catch a glimpse of 3I/ATLAS
https://phys.org/news/2025-10-esa-mars-exomars-orbiters-glimpse.html

From gas to ice giants: A unified mechanism for equatorial jets
https://www.science.org/doi/10.1126/sciadv.ads8899

GPI+SPHERE detection of a 6.1 MJup circumbinary planet around HD 143811
https://www.aanda.org/articles/aa/full_html/2025/10/aa57104-25/aa57104-25.html

Searching for substellar companion candidates with Gaia – II. A catalog of 9698 planet candidate solar-type hosts
https://www.aanda.org/articles/aa/full_html/2025/10/aa51745-24/aa51745-24.html

Discovery of a multi-planet system orbiting the aged Sun-like star HD 224018
https://www.aanda.org/articles/aa/full_html/2025/10/aa55770-25/aa55770-25.html

The JADE code – II. Modeling the coupled orbital and atmospheric evolution of GJ 436 b to constrain its migration and companion
https://www.aanda.org/articles/aa/full_html/2025/10/aa55239-25/aa55239-25.html

Study of the Migration of Earth-Like Planets in Planetesimal Disks and the Formation of Debris Disks
https://link.springer.com/article/10.1134/S1063772925702130

Transiting Planetary Debris near the Roche Limit of a White Dwarf on a 4.97 hr Orbit—and its Vanishing
https://iopscience.iop.org/article/10.3847/1538-4357/adfecb

A complex structure of escaping helium spanning more than half the orbit of the ultra-hot Jupiter WASP-121\,b
https://arxiv.org/abs/2510.09809

Leveraging Photometry for Deconfusion of Directly Imaged Multi-Planet Systems
https://arxiv.org/abs/2510.09841

A revision of the lifetime of submoons: tidal dynamics with the Euler-Lagrange equation
https://arxiv.org/abs/2510.10344

Survival of satellites during the migration of a Hot Jupiter
https://arxiv.org/abs/2510.10826

On The Orbital Evolution of Multiple Wide Super-Jupiters: How Disk Migration and Dispersal Shape the Stability of The PDS 70 System
https://arxiv.org/abs/2510.11021

Reanalysis of the eclipses of LHS 1140 c: No evidence of an atmosphere and implications for the internal structure of the planet
https://arxiv.org/abs/2510.11397

A Metal-Rich Atmosphere with a Super-Solar C/O Ratio for the Extreme Ultra-Hot Jupiter WASP-178b
https://arxiv.org/abs/2510.11479

The GAPS programme at TNG XYZ. A sub-Neptune suitable for atmospheric characterization in a multiplanet and mutually inclined system orbiting the bright K dwarf TOI-5789 (HIP 99452)
https://arxiv.org/abs/2510.11490

Characterizing planetary systems with SPIRou: questions about the magnetic cycle of 55 Cnc A and two new planets around B
https://arxiv.org/abs/2510.11523

MANGOS II: Five new giant planets orbiting low-mass stars
https://arxiv.org/abs/2510.11528

TOI-3288 b and TOI-4666 b: two gas giants transiting low-mass stars characterised by NIRPS
https://arxiv.org/abs/2510.11703

October 13, 2025 Updates

Composition of planetary debris around the white dwarf GD 362
https://arxiv.org/abs/2510.07595

How long does the human civilization need to last in order to observe another advanced intelligence in the Universe?
https://www.researchgate.net/publication/395989367_How_long_does_the_human_civilization_need_to_last_in_order_to_observe_another_advanced_intelligence_in_the_Universe

A new atmospheric characterization of the sub-stellar companion HR2562B with JWST/MIRI observations (Corrigendum)
https://www.aanda.org/articles/aa/full_html/2025/10/aa53045e-24/aa53045e-24.html

The JADE code II. Modeling the coupled orbital and atmospheric evolution of GJ 436 b to constrain its migration and companion
https://www.aanda.org/articles/aa/full_html/2025/10/aa55239-25/aa55239-25.html

Why M-dwarf flares have a limited impact on the atmospheric evaporation of sub-Neptunes and Earth-sized planets
https://www.aanda.org/articles/aa/full_html/2025/10/aa55738-25/aa55738-25.html

Tracing Planetary Accretion in a 3 Gyr-old Hydrogen-Rich White Dwarf: The Extremely Polluted Atmosphere of LSPM J0207+3331
https://arxiv.org/abs/2510.08676

Next-Generation Improvements in Giant Exoplanet Evolutionary and Structural Models
https://arxiv.org/abs/2510.08681

The ExoGRAVITY survey: a K-band spectral library of giant exoplanet and brown dwarf companions
https://arxiv.org/abs/2510.08691

The polar debris disc around 99 Herculis: A potential signpost for polar circumbinary planets
https://arxiv.org/abs/2510.08698

Understanding Exoplanet Habitability: A Bayesian ML Framework for Predicting Atmospheric Absorption Spectra
https://arxiv.org/abs/2510.08766

Constraining exoplanet interiors using observations of their atmospheres
https://arxiv.org/abs/2510.08844

Exploring traversable wormholes in modified theory: Complexity and perspective under solitonic quantum wave dark matter halo
https://www.sciencedirect.com/science/article/abs/pii/S221268642500305X

Probing the geological setting of exoplanets through atmospheric analysis: Using Mars as a test case
https://www.sciencedirect.com/science/article/pii/S0019103525003951

The NEID Earth Twin Survey. III. Survey Performance after Three Years on Sky
https://iopscience.iop.org/article/10.3847/1538-3881/ae0339