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 18, 2026 Updates

Space as a spectroscopic laboratory: High-resolution spectroscopy of the [13C II] hyperfine structure with SOFIA/upGREAT
https://www.aanda.org/articles/aa/full_html/2026/06/aa59546-26/aa59546-26.html

Mapping X-ray conditions in the habitable zones of exoplanet host stars with SRG/eROSITA
https://www.aanda.org/articles/aa/full_html/2026/06/aa59220-26/aa59220-26.html

Interstellar X-Ray Absorption and Scattering
https://iopscience.iop.org/article/10.3847/1538-4357/ae6b8a

JWST-TST High Contrast: First Direct Spectroscopy of GJ 504 b reveals Clouds and Possible Metal Enrichment
https://arxiv.org/abs/2606.19228

Three dimensional temporal evolution of photochemical haze in exoplanet atmospheres I. Description and test application to HD 189733b
https://arxiv.org/abs/2606.19056

Joint Rossiter-McLaughlin Revolutions analysis of the multi-planetary system GJ 9827
https://www.aanda.org/articles/aa/full_html/2026/06/aa57501-25/aa57501-25.html

Unraveling the Mystery of the Peculiar and Young Hot Jupiter CoRoT-2b II: Phase Resolved Emission Spectroscopy with VLT/CRIRES+ and Gemini-S/IGRINS
https://arxiv.org/abs/2606.17304

June 17, 2026 Updates

Reflections of Life: Distinguishing Living from Nonliving Worlds with Complexity Metrics
https://iopscience.iop.org/article/10.3847/1538-3881/ae6b7b

Tardigrades as an Emerging Model Animal for Astrobiology Research: A Case Study
https://link.springer.com/chapter/10.1007/978-981-92-0038-2_13

Ants and Ant Colonies as Time-Resilient Distributed Intelligence: Implications for Human Civilization, Artificial Intelligence, and Interstellar Survival
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=6138346

White Dwarf Stars are Photodamaging Environments for Earth-like Photosynthesis
https://iopscience.iop.org/article/10.3847/2515-5172/ae7c77

Revisiting the Greenhouse Effect of Nongreenhouse Gases in the Atmospheres of Earth-like Planets
https://iopscience.iop.org/article/10.3847/1538-4357/ae6b8b

Effect of tidal gravity and planetary rotation on the retrieved atmospheric abundances of close-in exoplanets
https://arxiv.org/abs/2606.18100

The BAGLE Python Package for Bayesian Analysis of Gravitational Lensing Events
https://iopscience.iop.org/article/10.3847/1538-3881/ae665b

Dynamical Stability and Habitability in the HD 20794 System
https://iopscience.iop.org/article/10.1088/1538-3873/ae7691

Detection of CO, H2O, and OH in WASP-18 b with JWST/NIRISS Using Direct-extracted Spectra and Cross Correlation
https://iopscience.iop.org/article/10.3847/1538-4357/ae736a

June 16, 2026 Updates

Cold vs. Hot Gas Accretion and Angular Momentum in FIRE Simulations: From Halo to Galaxy Scales
https://doi.org/10.1093/mnras/stag1117


HD 38973 b – a cold Saturn orbiting a Sun-like star
https://www.cambridge.org/core/journals/publications-of-the-astronomical-society-of-australia/article/hd-38973-b-a-cold-saturn-orbiting-a-sunlike-star/042357714256BCCE0987E6AA07D123C2


Super-earths and mini-neptunes follow different orbital period-eccentricity relations
https://pubmed.ncbi.nlm.nih.gov/42275486/


Metal Oxide Clusters in Gas Giant Exoplanet Atmospheres
https://doi.org/10.48550/arXiv.2606.16787


Effects of Incomplete Accommodation on Intake Performances of Atmosphere-Breathing Electric Propulsion
https://doi.org/10.2514/1.J066856

June 15, 2026 Updates

Hydrogen and Helium Dissolution, Outgassing, and Loss in Evolving Sub-Neptune Magma Oceans: Examining Demographic Features and Radius Evolution
https://arxiv.org/abs/2606.14646

Using Organoids to Unlock the Potential of Human Torpor for Spaceflight
https://link.springer.com/article/10.1007/s40778-026-00257-6 

Streamlined molecular farming of plant virus therapeutics for space flight and other low-resource environments
https://www.nature.com/articles/s44383-026-00030-y 

COUNTESS I: A Uniformly Vetted Catalog of Known and New Transiting Exoplanets in the TESS Northern Continuous Viewing Zone
https://arxiv.org/abs/2606.13789 

A population view of transiting hot giant exoplanets: Tracing Fe and Ti chemistry with ESPRESSO and MAROON-X
https://arxiv.org/abs/2606.14490 

June 12, 2026 Updates

Japan’s Possible Contributions for Coronagraph of the Habitable Worlds Observatory (HWO)
https://arxiv.org/abs/2606.13440

Prospects for Astrobiology and Technosignature Searches with the Vera C. Rubin Observatory Legacy Survey of Space and Time
https://arxiv.org/abs/2606.00574

The Cosmological Hart-Tipler Conjecture
https://arxiv.org/abs/2606.04044

The mass of TOI-1883 b: A low density super-Neptune in the ridge regime transiting an early-M dwarf
https://arxiv.org/abs/2606.06868

Substrate Flexibility and the Copernican Principle of Consciousness
https://faculty.ucr.edu/~eschwitz/SchwitzAbs/SubstrateFlexibility.htm

An early look at how gas giants shape small planet bulk compositions
https://arxiv.org/abs/2606.12524

Connecting Polarization to Exoplanet Yield Calculations for HWO
https://arxiv.org/abs/2606.12842

What’s the (RV) Point? A Enhancement in Super-Jupiters with Saturn-like Periods from a Critical Observation
https://arxiv.org/abs/2604.07505

Chemistry and Isotope Ratios of Substellar Atmospheres in the β Pictoris Young Moving Group and Vicinity
https://arxiv.org/abs/2605.01012

1 2 432