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.

June 3, 2026 Updates

The Dust Mineralogy of Interstellar Comet 3I/ATLAS from JWST/MIRI Observations
https://arxiv.org/abs/2606.27535

Narrowband Radio Technosignature Search toward 3I/ATLAS with FAST
https://arxiv.org/abs/2603.19023

TOI-2155 b: A Massive Brown Dwarf or a Very Low-mass Star?
https://iopscience.iop.org/article/10.3847/1538-3881/ae7370

Hyperspectral imaging reveals early drought stress and associated molecular responses in lettuce for space agriculture
https://www.sciencedirect.com/science/article/pii/S2643651526000609

Nautilus Space Observatory: The Evolution of Planets and their Atmospheres
https://arxiv.org/abs/2606.26214

HWO Target Stars and Systems: Activity and Rotation Catalog (ARC) of Potential Target Stars for the Habitable Worlds Observatory
https://arxiv.org/abs/2605.22618

A Revised Mass and Period for the Habitable Zone super-Earth GJ 3378 b: A Planet Straddling the Cosmic Shoreline
https://iopscience.iop.org/article/10.3847/1538-4357/ae732b

July 2, 2026 Updates

Stellar Forcing of (exo)Planetary Environments
https://arxiv.org/abs/2607.01168

The GAPS programme at TNG LXXV. Validating and confirming Gaia substellar astrometric candidates with HARPS-N
https://arxiv.org/abs/2606.29001

CARMApy: An Open-Source Python Framework for Simulating Microphysical Clouds in Planetary Atmospheres
https://arxiv.org/abs/2606.30438

A Covariance-Aware Framework for Spatially Resolved Exoplanet Biosignature Inference with the Solar Gravitational Lens
https://arxiv.org/abs/2606.29138

Building AI-Ready Data Systems for Space Life Sciences, Aerospace Medicine, and Deep Space Exploration
https://arxiv.org/abs/2606.28856

 

July 1, 2026 Updates

Chemical Abundances of the Bioessential Elements C, O and S, and the Refractory Elements Fe and Ni, in Solar-type Exoplanet-hosting Stars from HARPS North and South
https://arxiv.org/abs/2606.30722

Formation and evolution pathways of planets. I. Comparison between theory and observations
https://arxiv.org/abs/2606.31017

A Machine Learning Approach to Exoplanet Atmospheric Retrieval: Application to Optical Filter Ranking
https://iopscience.iop.org/article/10.3847/1538-3881/ae78df

Do Rocky Planets around M Stars Have Atmospheres? A Statistical Approach to the Cosmic Shoreline
https://iopscience.iop.org/article/10.3847/1538-3881/ae71c1

The HST/WFC3 Transmission Spectrum of AU Mic b Part I: An Atmosphere Obscured by Contamination and Systematics
https://arxiv.org/abs/2606.31281

Climate Patterns of Spin-orbit Resonant Exoplanets around Low-mass Stars
https://iopscience.iop.org/article/10.3847/1538-4357/ae733d

Magnetic activity in cool stars: manifestations and relevance to exoplanets
https://arxiv.org/abs/2606.31617

Phase-space Crystallization in Galactic Globular Clusters: A Gaia-based Metric and Implications for Technosignature Searches
https://iopscience.iop.org/article/10.3847/1538-4357/ae6a98