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.

August 26, 2025 Updates

Soot Planets instead of Water Worlds
https://arxiv.org/abs/2508.16781

The HD 60779 Planetary System: A Transiting Sub-Neptune on a 30-day Orbit and a More Massive Outer World
https://arxiv.org/abs/2508.16805

Technosignature Searches of Interstellar Objects
https://arxiv.org/abs/2508.16825

Detecting Gravitational Waves from Exoplanets Orbiting Binary Neutron Stars with B-DECIGO and DECIGO
https://arxiv.org/abs/2508.17385

HD 28471: a near-resonant compact multiplanet system with a possible cold giant planet
https://arxiv.org/abs/2508.18000

TOI-2322: two transiting rocky planets close to the stellar rotation period and its first harmonic
https://arxiv.org/abs/2508.18094

The NEID Earth Twin Survey. IV. Confirming an 89 d, msini=10 M⊕ Planet Orbiting a Nearby Sun-like Star
https://arxiv.org/abs/2508.18169

JWST detection of a carbon dioxide dominated gas coma surrounding interstellar object 3I/ATLAS
https://arxiv.org/abs/2508.18209

Free-floating Planets Produced by Planet-Planet Scatterings: Ejection Velocity and Survival Rate of Their Moons
https://arxiv.org/abs/2508.18239

August 25, 2025 Updates

Time Dilation in Interstellar Missions: A Systematic Literature Review on Relativistic Effects and Technological Solutions
https://e-journal.hamzanwadi.ac.id/index.php/kpj/article/view/30399

Construction of deep space communication channel environment prediction model based on deep learning
https://link.springer.com/article/10.1007/s00521-025-11557-z

AI and ML Techniques in Image Processing and Object Detection
https://link.springer.com/book/10.1007/978-981-96-7445-9#page=82

The CARMENES search for exoplanets around M dwarfs: Revisiting the GJ 317, GJ463, and GJ 3512 systems and two newly discovered planets orbiting GJ9773 and GJ 508.2
https://www.aanda.org/articles/aa/full_html/2025/08/aa54992-25/aa54992-25.html

Giant planet formation via pebble accretion across different stellar masses
https://www.aanda.org/articles/aa/full_html/2025/08/aa55787-25/aa55787-25.html

CAMPOS II. The onset of protostellar disk substructures and planet formation
https://www.aanda.org/articles/aa/full_html/2025/08/aa55174-25/aa55174-25.html

An Aligned Sub-Neptune Revealed with MAROON-X and a Tendency Toward Alignment for Small Planets
https://iopscience.iop.org/article/10.3847/1538-3881/adf070

Aerosol dynamics on hot exoplanets: the role of radiation pressure
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1403/8240269?searchresult=1

Pushing the limits of eccentricity in planet-disc interactions
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1399/8240267?searchresult=1

Terrestrial Exoplanet Internal Structure Constraints Enabled by Comprehensive Host Star Characterization Reveal that Terrestrial Planets in Mean-motion Resonances are Water Rich
https://arxiv.org/abs/2508.16421

August 22, 2025 updates

Extending the Rock Cycle to a Cosmic Scale
https://www.mdpi.com/2076-3263/15/8/327

Unveiling Rogue Exoplanets: Swarm Cubesat Telescope
https://link.springer.com/article/10.1007/s42496-025-00289-x 

Intact polar lipids as organic biomarkers of viable extraterrestrial life
https://www.nature.com/articles/s44453-025-00006-9

Galactic Trajectories of Interstellar Objects 1I/’Oumuamua, 2I/Borisov, and 3I/Atlas
https://arxiv.org/abs/2408.02739

CRIRES+ transmission spectroscopy of WASP-127 b
https://www.aanda.org/articles/aa/full_html/2025/01/aa50438-24/aa50438-24.html

(Toward) Discovery of Life beyond Earth and its Impact (IAU S387)
https://www.cambridge.org/core/books/toward-discovery-of-life-beyond-earth-and-its-impact-iau-s387/61A4CB74D5E212A2224F4A706E8D1885

Probing superheavy dark matter with exoplanets
https://www.researchgate.net/publication/394772435_Probing_superheavy_dark_matter_with_exoplanets

Machine learning revolution for exoplanet direct imaging detection: transformer architectures
https://www.researchgate.net/publication/394790308_Machine_learning_revolution_for_exoplanet_direct_imaging_detection_transformer_architectures 

3I/ATLAS (C/2025 N1): Direct Spacecraft Exploration of a Possible Relic of Planetary Formation at “Cosmic Noon”
https://arxiv.org/abs/2508.15768

SPHEREx Discovery of Strong Water Ice Absorption and an Extended Carbon Dioxide Coma in 3I/ATLAS
https://arxiv.org/abs/2508.15469

Overview of complex organic molecule observations in protostellar systems
https://arxiv.org/abs/2508.15771

Carbon-rich Sub-Neptune Interiors Are Compatible with JWST Observations
https://arxiv.org/abs/2508.15117

Mineral cloud formation above magma oceans in sub-Neptune atmospheres
https://arxiv.org/abs/2508.15097

TrES-1 b: A Case Study in Detecting Secular Evolution of Exoplanet Orbits
https://arxiv.org/abs/2508.15075

A Near-Infrared Spectral Library of Very Young Brown Dwarfs and Planetary-Mass Objects in the Orion Nebula Cluster
https://arxiv.org/abs/2508.14035

August 21, 2025 updates

Core metamorphism controls the dynamic habitability of mid-sized ocean worlds—The case of Ceres
https://www.science.org/doi/10.1126/sciadv.adt3283

Exocomets of β Pictoris – I. Exocomet destruction, sodium absorption and disk line variability in 17 years of HARPS observations
https://www.aanda.org/articles/aa/full_html/2025/08/aa51594-24/aa51594-24.html

Constraining nearby sub-stellar companion architectures using high-contrast imaging, radial velocity, and astrometry
https://www.aanda.org/articles/aa/full_html/2025/08/aa53091-24/aa53091-24.html

Detecting Extraterrestrial Civilizations that Employ an Earth-level Deep Space Network
https://iopscience.iop.org/article/10.3847/2041-8213/adf6b0

TOI-880 is an Aligned, Coplanar, Multiplanet System
https://iopscience.iop.org/article/10.3847/1538-3881/adf339

Identifying Habitable Exoplanets with Radio Telescopes on the Lunar Farside
https://arxiv.org/abs/2508.14126

Two warm Earth-sized exoplanets and an Earth-sized candidate in the M5V-M6V binary system TOI-2267
https://arxiv.org/abs/2508.14176

Gravitational Influence from Planets on the Measured Rates of Period Change of Pulsating White Dwarfs
https://arxiv.org/abs/2508.14195

Hot Rocks Survey IV: Emission from LTT 3780 b is consistent with a bare rock
https://arxiv.org/abs/2508.14210

Machine learning revolution for exoplanet direct imaging detection: transformer architectures
https://arxiv.org/abs/2508.14508

Modeling tails of escaping gas in exoplanet atmospheres with Harmonica
https://arxiv.org/abs/2508.14846

August 20, 2025 updates

Linear-Mode Gain HgCdTe Avalanche Photodiodes for Weak-Target Spaceborne Photonic System
https://www.mdpi.com/2304-6732/12/8/829

Cold Jupiters and small planets: Friends, foes, or indifferent? – A search for correlations with the largest exoplanet samples
https://www.aanda.org/articles/aa/full_html/2025/08/aa52523-24/aa52523-24.html

Interaction of Trappist-1 exoplanets with coronal mass ejections: Joule heating, Poynting fluxes, and the role of magnetic fields
https://www.aanda.org/articles/aa/full_html/2025/08/aa54431-25/aa54431-25.html

On the Ordering of Exoplanet Systems
https://arxiv.org/abs/2508.13274

Earth-Mass Planets in Tandem Disks
https://arxiv.org/abs/2508.13269

A comprehensive spectroscopic reference of the solar system and its application to exoplanet direct imaging
https://arxiv.org/abs/2508.13368

Discovery of a multi-planetary system orbiting the aged Sun-like star HD 224018
https://arxiv.org/abs/2508.13684

Detecting False Positives With Derived Planetary Parameters: Experimenting with the KEPLER Dataset
https://arxiv.org/abs/2508.13801