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.

October 23, 2026 Updates

Assessment of the Mass Loss and Radius Change of 3I/ATLAS Based on Observed Production Rates
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stag1941/8914591

Hot Rocks Survey VI: An anomalously hot dayside for the rocky planet GJ 357 b
https://arxiv.org/abs/2609.30552

Planetesimal formation facilitated by streaming instability in weak pressure bumps
https://arxiv.org/abs/2609.34932

Astrometric Evidence for Outer Giant Planets in Known Exoplanet Systems
https://arxiv.org/abs/2609.37160

Atmospheric dynamics and variability of periodically irradiated tidally locked planets
https://arxiv.org/abs/2609.38128

October 20, 2026 Updates

Water gas discs in exo-asteroid belts
https://arxiv.org/abs/2607.11677

Photometric Variability and Rotation of Beta Pictoris b from JWST NIRCam Coronagraphic Imaging
https://arxiv.org/abs/2607.13133

Very Large Telescope observations of interstellar comet 3I/ATLAS III: High-resolution monitoring of CN and forbidden oxygen emission across the perihelion passage with ESPRESSO
https://arxiv.org/abs/2607.15355

Exploration of Exoplanet Atmospheres with the James Webb Space Telescope
https://arxiv.org/abs/2608.05885

A Candidate Innermost Fifth Planet In the HR 8799 System Revealed By JWST NIRISS Aperture Masking Interferometry
https://arxiv.org/abs/2609.10507

High water D/H ratio of the interstellar object 3I/ATLAS is consistent with a low-metallicity origin
https://arxiv.org/abs/2609.12370

October 16, 2026 Updates

Suborbital spaceflight reveals rapid changes in gene expression accompanying the transition to and from space
https://www.nature.com/articles/s41526-026-00645-6

Stratified longitudinal transcriptomic analysis indicates age-associated mitochondrial dysfunction and immune response in astronauts aboard the ISS
https://www.nature.com/articles/s41526-026-00639-4

Genetic alterations of the putrescine metabolic pathway attenuate plant responses to spaceflight
https://www.nature.com/articles/s41526-026-00663-4

Bacillus subtilis seed inoculation reshapes wheat seed microbiome and reduces putative pathogen-associated taxa under simulated microgravity
https://www.sciencedirect.com/science/article/pii/S0094576526006417

October 15, 2026 Updates

Analysis of Multimode Spacecraft Propulsion Using Decomposed Monopropellants
https://arc.aiaa.org/doi/10.2514/1.B40302

A spatial map of the atmospheric limb of a hot Jupiter
https://www.nature.com/articles/s41550-026-02986-4

On-sky performance and prospects of near-infrared CMOS detectors in exoplanet detection: first year of SPIRIT
https://arxiv.org/abs/2610.19902

Probing Planet Formation within 10 au: Dust Substructures in Extremely Compact Protoplanetary Disks
https://arxiv.org/abs/2610.20393

The contact frontier in Galactic civilization networks: radial structure and the Galactic habitable zone
https://arxiv.org/abs/2610.20475

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