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 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

October 30, 2025 updates

Robust Exponential Complexity Growth in the Universe
https://jbh.journals.villanova.edu/index.php/JBH/article/view/3184

The Legacy and Future of Aluminum Alloys: Space Exploration and Extraterrestrial Settlement
https://pubs.acs.org/doi/full/10.1021/acsmaterialsau.5c00139

Communicating Discoveries in the Search for Life in the Universe Workshop Report
https://liebertpub.com/doi/10.1177/15311074251387636

Artificial Intelligence Revolutionizing Time-Domain Astronomy
https://www.mdpi.com/2218-1997/11/11/355

Characterizing non-transiting exoplanets through transit timing variations using deep learning
https://link.springer.com/article/10.1140/epjs/s11734-025-02033-9

Building wet planets through high-pressure magma–hydrogen reactions
https://link.springer.com/article/10.1038/s41586-025-09630-7

Magnetohydrodynamic simulation assessment of a potential near-ultraviolet early ingress in WASP-189b
https://www.aanda.org/articles/aa/full_html/2025/11/aa56404-25/aa56404-25.html

Probing the extent of WASP-52 b’s atmosphere – High-resolution observations and 3D modeling insights
https://www.aanda.org/articles/aa/full_html/2025/10/aa55613-25/aa55613-25.html

Fundamental effective temperature measurements for eclipsing binary stars – VI. Improved methodology and application to the circumbinary planet host star BEBOP-3
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1856/8305929

Eclipse Mapping with Ariel: Future Prospects for a Population-Level Mapping Survey
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1721/8305922

On the Detection of Binary Free-Floating Planets in the Roman Galactic Exoplanet Survey
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1858/8305925

Discovery of a Nearby Habitable Zone Super-Earth Candidate Amenable to Direct Imaging
https://iopscience.iop.org/article/10.3847/1538-3881/ae0e20

Near the Runaway: The Climate and Habitability of Teegarden’s Star b
https://iopscience.iop.org/article/10.3847/2041-8213/ae122a

Evidence of a Water-Rich Environment in Interstellar Space and Its Connection to the Interstellar Comet 3I/ATLAS
https://zenodo.org/records/17478411

Revisiting the atmosphere of HD-149026 b: the role of stellar abundances and choice of opacities in exoplanet atmosphere modelling
https://academic.oup.com/mnras/article/544/1/113/8272721

Rapid Brightening of 3I/ATLAS Ahead of Perihelion
https://arxiv.org/abs/2510.25035

Engulfment of Eccentric Planets by Giant Stars: Hydrodynamics and Light Curves
https://arxiv.org/abs/2510.25547

Tidal dissipation and spin-orbit alignment due to the precessional instability in convection zones in rotating giant planets and stars
https://arxiv.org/abs/2510.25624

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://arxiv.org/abs/2510.25680

Hard X-ray Emission in AU Mic Flares: A Minor Contributor to Planetary Atmospheric Escape
https://arxiv.org/abs/2508.15107

From Underground Oceans to Continents: A Glimpse into the Water Inventory on Rocky Planets using Host Star Abundances
https://arxiv.org/abs/2510.24854

The Fate of Hydrogen and Helium: From Planetary Embryos to Earth- and Neptune-like Worlds
https://arxiv.org/abs/2510.24956