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 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

October 10, 2025 updates

An Introduction to Dust Evolution and Vertical Transport in Protoplanetary Disks
https://iopscience.iop.org/article/10.1088/1538-3873/ae05cb

A Search for Coma in TESS Observations of Interstellar Comet 3I/ATLAS
https://iopscience.iop.org/article/10.3847/2515-5172/ae109f

Sensitivity to Sub-Io-sized Exosatellite Transits in the MIRI LRS Light Curve of the Nearest Substellar Worlds
https://iopscience.iop.org/article/10.3847/2041-8213/ae09ab

Space settlement and astrobiology – connections and overlaps
https://www.sciencedirect.com/science/article/abs/pii/S0265964625000517

The physiology of survival: Space
https://physoc.onlinelibrary.wiley.com/doi/10.1113/EP093299

Reassessment of Kepler’s habitable zone Earth-like exoplanets with data-driven null signal templates
https://www.pnas.org/doi/10.1073/pnas.2513927122

Probing the Origin of Water in Planets within Habitable Zones by HWO
https://arxiv.org/abs/2510.07349

Magma ocean interactions can explain JWST observations of the sub-Neptune TOI-270 d
https://arxiv.org/abs/2510.07367

Thin H2-dominated Atmospheres as Signposts of Magmatic Outgassing on Tidally-Heated Terrestrial Exoplanets
https://arxiv.org/abs/2510.07378

Enhanced Pebble Drift Across Planet-Opened Gaps in Windy Protoplanetary Disks
https://arxiv.org/abs/2510.07428

Composition of planetary debris around the white dwarf GD 362
https://arxiv.org/abs/2510.07378

How Internal Structure Shapes the Metallicity of Giant Exoplanets
https://arxiv.org/abs/2510.08280

October 09, 2025 updates

A Framework for Hyper-Velocity Interplanetary Propulsion: The Cascade Combustion Ion Technology (CComIT) Drive
https://zenodo.org/records/17297315

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

SOAPv4: A new step toward modeling stellar signatures in exoplanet research
https://www.aanda.org/articles/aa/full_html/2025/10/aa55184-25/aa55184-25.html

Exploration of the Outer Envelope of the K-giant Star Beta Cet
https://iopscience.iop.org/article/10.3847/1538-4357/adff5d

HWO Target Stars and Systems: A Prioritized Community List of Potential Stellar Targets for the Habitable Worlds Observatory’s ExoEarth Survey
https://iopscience.iop.org/article/10.1088/1538-3873/ae0a81

Revisiting the Orbital Dynamics of the Hot Jupiter WASP-12b with New Transit Times
https://arxiv.org/abs/2510.06589

Is the high-energy environment of K2-18b special?
https://arxiv.org/abs/2510.06939

Machine Learning for Radial Velocity Analysis I: Vision Transformers as a Robust Alternative for Detecting Planetary Candidates
https://arxiv.org/abs/2510.07034

Polka-dotted Stars II: Starspots and obliquities of Kepler-17 and Kepler-63
https://arxiv.org/abs/2510.07130

JWST-TST High Contrast: Medium-resolution spectroscopy reveals a carbon-rich circumplanetary disk around the young accreting exoplanet Delorme 1 AB b
https://arxiv.org/abs/2510.07253

A Comoving Framework for Planet Migration
https://arxiv.org/abs/2510.07282

October 08, 2025 updates

SA’s ExoMars and Mars Express observe comet 3I/ATLAS
https://www.esa.int/Science_Exploration/Space_Science/ESA_s_ExoMars_and_Mars_Express_observe_comet_3I_ATLAS

6,000 and counting: The next 30 years in the search for exoplanets
https://www.space.com/astronomy/exoplanets/6-000-and-counting-the-next-30-years-in-the-search-for-exoplanets

Strategic Communication Protocols for Interstellar Objects Using a Threat-Communication Viability Index and the Information-Communication Paradox
https://arxiv.org/abs/2510.03973

Predictions of the Nancy Grace Roman Space Telescope Galactic Exoplanet Survey. III. Detectability of Giant Exomoons of Wide-separation Giant Planets
https://iopscience.iop.org/article/10.3847/1538-3881/ae0196

Reassessment of Kepler’s habitable zone Earth-like exoplanets with data-driven null signal templates
https://www.pnas.org/doi/10.1073/pnas.2513927122

Orbital decay candidates reconsidered: WASP-4 b is not decaying and Kepler-1658 b is not a planet
https://arxiv.org/abs/2510.05229

The First Dedicated Survey of Atmospheric Escape from Planets Orbiting F Stars
https://arxiv.org/abs/2510.05240

Flow Regimes in Hot Jupiter Atmospheres: Insights from Anelastic Models
https://arxiv.org/abs/2510.05964

JWST-TST DREAMS: The Nightside Emission and Chemistry of WASP-17b
https://arxiv.org/abs/2510.06169