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.

November 06, 2025 updates

Atmospheric collapse and re-inflation through impacts for terrestrial planets around M dwarfs
https://arxiv.org/abs/2510.25896

The evolution and internal structure of Neptunes and sub-Neptunes – The importance of thermal conductivity in non-convective regions
https://www.aanda.org/articles/aa/full_html/2025/11/aa56526-25/aa56526-25.html

Terrestrial Exoplanet Internal Structure Constraints Enabled by Comprehensive Host Star Characterization Reveal That Terrestrial Planets in Mean Motion Resonances Are Water Rich
https://iopscience.iop.org/article/10.3847/1538-4357/ae03a5

A Comprehensive Reanalysis of K2-18 b’s JWST NIRISS+NIRSpec Transmission Spectrum
https://iopscience.iop.org/article/10.3847/1538-3881/ae019a

An Analysis of the Radius Gap in a Sample of Kepler, K2, and TESS Exoplanets Orbiting M-dwarf Stars
https://iopscience.iop.org/article/10.3847/1538-4357/ae058e

The Distribution of Earth-Impacting Interstellar Objects
https://arxiv.org/abs/2511.03374

An Adaptive Pseudo-Intelligent Material Hypothesis for the Observed Anomalies of the Interstellar Object 3I/ATLAS
https://www.researchgate.net/publication/397264326_An_Adaptive_Pseudo-Intelligent_Material_Hypothesis_for_the_Observed_Anomalies_of_the_Interstellar_Object_3IATLAS

Tidally Torn: Why the Most Common Stars May Lack Large, Habitable-Zone Moons
https://arxiv.org/abs/2511.03625

The Exospace Weather Frontier
https://arxiv.org/abs/2511.02871

Determining the impact of post-main-sequence stellar evolution on the transiting giant planet population
https://arxiv.org/abs/2511.02896

Formation of Free-Floating Planets via Ejection: Population Synthesis with a Realistic IMF and Comparison to Microlensing Observations
https://arxiv.org/abs/2511.03246

Life in the dark: Potential urability of moons of rogue planets
https://arxiv.org/abs/2511.03392

November 05, 2025 updates

Exoplanet Detection ML: Detection of Exoplanets with Machine Learning Techniques through Transit Light Curve Analysis
https://zenodo.org/records/17519369

ExoComp and the Library of Exoplanet Atmospheric Composition Measurements (LExACoM)
https://zenodo.org/records/17460496

The interstellar flux gap: From dust to kilometer-scale objects
https://arxiv.org/abs/2511.01957

Dust back-reaction on gas around planets modifies the cold thermal torque
https://arxiv.org/abs/2511.01973

ExoplaNeT accRetion mOnitoring sPectroscopic surveY (ENTROPY) – II. Time series of Balmer line profiles of Delorme 1(AB)b
https://arxiv.org/abs/2511.01979

A JWST Transit of a Jupiter Analog I: Constraints on the Oblateness of Kepler-167e
https://arxiv.org/abs/2511.02067

The First Occurrence Rate Estimates for Exoplanets in Small-Separation Binary Star Systems: Planet Occurrence is Suppressed in Binary Stars
https://arxiv.org/abs/2511.02643

The Potential Impact of Primordial Black Holes on Exoplanet Systems
https://arxiv.org/abs/2507.05389

November 04, 2025 updates

Enhancing Exoplanet Transit Detection in Noisy Stellar Light Curves Using Statistical Filtering Technique
https://zenodo.org/records/17500040

Three decades of the search for life on other planets
https://link.springer.com/article/10.1038/s42254-025-00891-9

Atmospheric Mass Loss of Planet WASP-195b
https://link.springer.com/article/10.1007/s10511-025-09881-2

The origin and tidal evolution of hot Jupiters constrained by a broken age–frequency relation
https://link.springer.com/article/10.1038/s41550-025-02693-6

To make water, exoplanets might just need some pressure
https://www.nature.com/articles/d41586-025-03214-1

Experiments reveal extreme water generation during planet formation
https://www.nature.com/articles/s41586-025-09816-z

Unusual polarimetric response of interstellar Comet 3I/ATLAS: Clues to the microphysics of particles populating its inner coma
https://academic.oup.com/mnrasl/advance-article/doi/10.1093/mnrasl/slaf112/8307494

HWO Target Stars and Systems: A Survey of Archival UV and X-Ray Data
https://iopscience.iop.org/article/10.3847/1538-3881/ae0a2f

Differentiation, the Exception, Not the Rule: Evidence for Full Miscibility in Sub-Neptune Interiors
https://iopscience.iop.org/article/10.3847/PSJ/ae1012

How does Γ⊕ Relate to η⊕?
https://iopscience.iop.org/article/10.3847/2515-5172/ae0d7f

The Coupled Tidal Evolution of the Moons and Spins of Warm Exoplanets
https://arxiv.org/abs/2511.00161

Limits on forming coreless terrestrial worlds in the TRAPPIST-1 system
https://arxiv.org/abs/2511.01231

Chasing the storm: Investigating the application of high-contrast imaging techniques in producing precise exoplanet light curves
https://arxiv.org/abs/2511.01384

Exoplanet climate characterization with transit asymmetries — A comprehensive population study from the optical to the infrared
https://arxiv.org/abs/2511.01548

Detailed spectroscopic and photometric analysis of the remarkable planet-hosting wide binary system HD 202772A/B
https://arxiv.org/abs/2511.01595

The Challenges Involved in the Detection of Gases in Exoplanet Atmospheres
https://arxiv.org/abs/2504.21788

November 03, 2025 Updates

The Photochemical Plausibility of Warm Exo-Titans Orbiting M Dwarf Stars
https://iopscience.iop.org/article/10.3847/2041-8213/ae1026

A complete list of He-pressure-broadening coefficient of CO2 lines from 100 K to 3000 K for planet and exoplanet opacity calculations
https://www.sciencedirect.com/science/article/abs/pii/S0019103525004099

Space-based surveillance of Resident Space Objects with the CHEOPS space telescope
https://www.sciencedirect.com/science/article/pii/S0094576525007453

Life In Space, Beyond Earth: Habitability In Question – Between Astrobiology and Aerospace Medicine
https://www.acceleron.org.in/index.php/aaj/article/view/279

Navigation through Extended Phase Manifolds: A Falsifiable Framework for Faster-than-Light Translation
https://acceleron.org.in/index.php/aaj/article/view/272

The Fermi Paradox Dissolved: Examining the Metaphysical Underpinnings of the Main Arguments Giving Rise to the Fermi Paradox
https://www.academia.edu/11899447/The_Fermi_Paradox_Dissolved_Examining_the_Metaphysical_Underpinnings_of_the_Main_Arguments_Giving_Rise_to_the_Fermi_Paradox

Binding Energies of Interstellar Complex Organic Molecules on Water Ice Surfaces: A Quantum Chemical Investigation
https://iopscience.iop.org/article/10.3847/1538-4357/ae064a

Saving Doomed Planets: Mass Loss and Angular Momentum Return Boost Hot Jupiter Survival Rates
https://arxiv.org/abs/2510.26882

Accelerating Radiative Transfer for Planetary Atmospheres by Orders of Magnitude with a Transformer-Based Machine Learning Model
https://arxiv.org/abs/2510.27050

A Next-Generation Exoplanet Atmospheric Retrieval Framework NEXOTRANS for Emission Spectroscopy: New Constraints and Atmospheric Characterization of WASP-69b Using JWST NIRCam and MIRI Observations
https://arxiv.org/abs/2510.27223

Evolution of stellar magnetic activity: probing planet engulfment by red giants
https://arxiv.org/abs/2510.27295

Stacking transmission spectra of different exoplanets
https://arxiv.org/abs/2510.27386

X-ray and UV Observations of the Young Sun HIP~67522: Evidence of Lyman-alpha Absorption Within the Planetary System
https://arxiv.org/abs/2510.27639

Deep Structures for Xenointelligence: An Anthropology of the Possible
https://www.researchgate.net/publication/397106521_Deep_Structures_for_Xenointelligence_An_Anthropology_of_the_Possible

On the feasibility of a nonadaptive–nonsequential abiogenesis. An alternative to the Oparin-Haldane model
https://ecoevorxiv.org/repository/view/8581/

October 31, 2025 updates

Atmospheric Mass Loss of Planet WASP-195b
https://link.springer.com/article/10.1007/s10511-025-09881-2

The origin and tidal evolution of hot Jupiters constrained by a broken age–frequency relation
https://www.nature.com/articles/s41550-025-02693-6

Crewmember demographic factors and their association with brain and ocular changes following spaceflight
https://www.nature.com/articles/s41526-025-00505-9

Transients in the Palomar Observatory Sky Survey (POSS-I) may be associated with nuclear testing and reports of unidentified anomalous phenomena
https://www.nature.com/articles/s41598-025-21620-3

Experiments reveal extreme water generation during planet formation
https://www.nature.com/articles/s41586-025-09816-z

Do Young Suns Produce Frequent, Massive CMEs? Results from Five-year Dedicated Optical Observations of EK Draconis and V889 Hercules
https://iopscience.iop.org/article/10.3847/1538-4357/adfe70

Time-resolved protoplanetary disk physics in DQ Tau with JWST
https://www.aanda.org/articles/aa/full_html/2025/11/aa56016-25/aa56016-25.html

Engulfment of a hot Jupiter as a possible origin of the rapid spin and internal spin misalignment of the planet-hosting red giant Kepler-56
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1891/8307488

On The Applicability of Ring-Moon Cycles to Exoplanets
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1881/8306856

Unusual polarimetric response of interstellar Comet 3I/ATLAS: Clues to the microphysics of particles populating its inner coma
https://academic.oup.com/mnrasl/advance-article/doi/10.1093/mnrasl/slaf112/8307494

The Effect of Offsets from True Orbital Parameters on Exoplanet High-resolution Transmission Spectra
https://iopscience.iop.org/article/10.3847/1538-3881/adf0fc

Covariance-Based Estimation Performance for In-Flight Calibration of NASA’s ACS3 Solar Sail
https://www.sciencedirect.com/science/article/pii/S0273117725012426

Interstellar Migration, the Population ‘Problem’ and the Climate Emergency
https://onlinelibrary.wiley.com/doi/10.1111/criq.70013

The Library of Exoplanet Atmospheric Composition Measurements: Population Level Trends in Exoplanet Composition with ExoComp
https://www.researchgate.net/publication/397088537_The_Library_of_Exoplanet_Atmospheric_Composition_Measurements_Population_Level_Trends_in_Exoplanet_Composition_with_ExoComp

Interstellar Comet 3I/ATLAS: Evidence for Galactic Cosmic Ray Processing
https://www.researchgate.net/publication/397088793_Interstellar_Comet_3IATLAS_Evidence_for_Galactic_Cosmic_Ray_Processing

Tidally driven inertial waves enhance eccentricity damping and spin evolution in planets and stars
https://arxiv.org/abs/2510.25812

Atmospheric collapse and re-inflation through impacts for terrestrial planets around M dwarfs
https://arxiv.org/abs/2510.25896

Potential Thermal Profiles of The Third Interstellar Object 3I/ATLAS
https://arxiv.org/abs/2510.25945