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.

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

June 26, 2026 Updates

ASTEP confirmation of a pair of long-period Jupiter-sized planets with extremely low densities transiting TOI-791
https://academic.oup.com/mnras/article/549/4/stag864/8715235

Thermal and rotational effects of giant impacts during terrestrial planet accretion
https://arxiv.org/abs/2606.23168

Isotopic evidence for a cold and distant origin of 3I/ATLAS
https://www.nature.com/articles/s41586-026-10771-6

Direct Imaging Discovery of Giant Exoplanet β Pictoris d: A Decade-Long Game of Hide-and-Seek
https://arxiv.org/abs/2606.23801

A decade of monitoring the HIP 41378’s planetary system
https://arxiv.org/abs/2606.23103

Chemical Divergence and Water Depletion: Gas Properties of Evolved Upper Scorpius Disks Revealed by JWST/MIRI
https://arxiv.org/abs/2606.27476

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

KMT-2025-BLG-2093: Free-Floating Planet Candidate Near the Shore of the Einstein Desert
https://arxiv.org/abs/2606.27725

Demographics of planet-forming disks with the SKAO
https://arxiv.org/abs/2606.28171

The Architecture of the 14 Herculis System Suggests Primordial Ejection of a Massive Planet
https://arxiv.org/abs/2605.30177

Substructures in Planet-Forming Disks with the SKAO
https://arxiv.org/abs/2606.25794

Using VLTI/GRAVITY+ to determine the identity of a third planet candidate in the PDS 70 system
https://arxiv.org/abs/2606.26249

June 25, 2026 Updates

Magnetic field strengths of hot giant exoplanets consistent with Solar System values
https://link.springer.com/article/10.1038/s41550-026-02870-1

Constraining an exoplanets magnetic field using star-planet interactions
https://arxiv.org/abs/2604.06969

Detecting and Characterizing Companions with a Calibrated Gaia DR2, DR3, and Hipparcos Catalog (G23H)
https://iopscience.iop.org/article/10.3847/1538-3881/ae64ed

The Keck Planet Finder SURFS-UP Survey. I. Transmission Spectroscopy of WASP-76 b
https://iopscience.iop.org/article/10.3847/1538-3881/ae71b9

The Discovery of Five Hot Jupiters by TESS
https://iopscience.iop.org/article/10.3847/1538-3881/ae6449

Lessons Learnt on the Formation and Evolution of Young Planetary Systems from Ultraviolet Spectroscopy
https://link.springer.com/article/10.1007/s11214-026-01304-8

Selecting Optimal Stellar Calibration Fields for the CSST Imaging Survey
https://iopscience.iop.org/article/10.1088/1674-4527/ae7401

Various inorganic phosphorus species in prebiotic Earth and extraterrestrial settings
https://link.springer.com/article/10.1007/s44371-026-00835-x

Cardiovascular risks and hazards associated with deep space exploration
https://link.springer.com/article/10.1038/s43856-026-01728-x