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 01 2026 updates

Mind the Companion : Demographics of Transiting S-type Exoplanets

https://doi.org/10.48550/arXiv.2605.31523

 

Weird Worlds: This sulfurous hell world might change the way we classify exoplanets

https://pubmed.ncbi.nlm.nih.gov/42153839/

 

A growth of early superhump: Multicolor observation of the WZ Sge star TCP J23580961+5502508 

https://doi.org/10.1093/pasj/psag062

 

Evolution of a long-period Cataclysmic Variable from the viewpoint of the donor star: the case of SDSS J085210.48+783246.6  

https://doi.org/10.1093/mnras/stag995

 

May 29, 2026 Updates

Development and demonstration of a Modular Astrobiological Experiments (MAEx) payload for autonomous biological monitoring in Low Earth Orbit (LEO)
https://arxiv.org/abs/2605.29308

Impact of Clouds on the Atmosphere-Mantle Interface of Sub-Neptunes
https://arxiv.org/abs/2605.27353

Mars as an Exoplanet: Lessons from a Planet at the Edge of Habitability
https://arxiv.org/abs/2605.18949

Characterisation of all known multiple stellar systems within 10 pc
https://arxiv.org/abs/2605.04094

Assessing Ariel’s capabilities to observe free-floating brown dwarfs
https://arxiv.org/abs/2605.28924

Next-generation Exo-REM atmospheric models: application to VHS 1256 b to emulate patchy clouds
https://arxiv.org/abs/2605.29070

Modeling carbon outgassing from chondritic planetesimals
https://arxiv.org/abs/2605.29914

Spin-Orbit Geometry of AU Mic b and c from Back-to-Back Transits Observed Contemporaneously with Magellan PFS, LCOGT, and CHEOPS
https://arxiv.org/abs/2605.29946

An archival summary: 15 years of ALMA observations on disks and planet formation
https://arxiv.org/abs/2605.30023

The evolution and internal structure of Neptunes and sub-Neptunes II. Convective mixing and thermal conductivity
https://arxiv.org/abs/2605.30078

Scattered light signatures of flyby-induced warps in protoplanetary discs
https://arxiv.org/abs/2605.22592

May 28, 2026 Updates

SPHEREx confirms predictions for artificial satellite trail pollution in Low Earth Orbit
https://arxiv.org/abs/2605.27501

The unique ability of the Hubble Space Telescope to characterize young exoplanet environments
https://arxiv.org/abs/2605.28768

The HAges Catalog: Stellar Ages for High-priority HWO Target Stars
https://iopscience.iop.org/article/10.3847/1538-4357/ae69d7

Direct Imaging Constraints on Binary Planets and Exomoons around Epsilon Indi A b
https://iopscience.iop.org/article/10.3847/1538-3881/ae5f69

Comparing telluric removal methods in their capability to recover injected exoplanet atmosphere signals with high resolution emission spectroscopy
https://arxiv.org/abs/2605.28635

Postperihelion Integral Field Spectroscopy of the Interstellar Comet 3I/ATLAS
https://iopscience.iop.org/article/10.3847/1538-4357/ae6243

New Asteroseismic Constraints on Evolved Transiting Planet Systems TOI-2669 and TOI-4551
https://iopscience.iop.org/article/10.3847/2515-5172/ae7074

Formation of stable exoplanetary systems around pulsars by capture: An exercise in computational classical mechanics
https://iopscience.iop.org/article/10.1088/1361-6404/ae7220

Life Is But a Stream: The Distribution of Planetary Systems along Stellar Streams and Their Properties
https://iopscience.iop.org/article/10.3847/1538-4357/ae67fd

Reading between the Rings: Observed Dust Ring Properties as Probes of Planet Masses
https://iopscience.iop.org/article/10.3847/1538-4357/ae6272

May 27, 2026 Updates

Fixed-time sliding mode consensus control for multiple solar sail formations in planetary inclined elliptic displaced orbits with actuator faults
https://link.springer.com/article/10.1007/s11071-026-12507-7

The intricate path to life identification
https://link.springer.com/article/10.1038/s41550-026-02883-w

Protobiosignatures in the framework of early life detection
https://link.springer.com/article/10.1038/s41550-026-02867-w

The role of the Hubble Space Telescope in advancing our understanding of atmospheric escape in exoplanets
https://arxiv.org/abs/2605.26140

See the clouds streaming and vanishing around this planet – 690 light years away
https://www.nature.com/articles/d41586-026-01608-3

Hot Jupiters’ Isolation Is Not Unique to High-Eccentricity Tidal Migration
https://arxiv.org/abs/2605.27362

Heavy element enrichment of gas in surface-accretion disks: A possible origin of the mass-metallicity anti-correlation in exoplanets
https://arxiv.org/abs/2605.27289

The SPHERE infrared survey for exoplanets (SHINE) V. Full sample characterization
https://arxiv.org/abs/2605.27247

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities
https://arxiv.org/abs/2605.27002

From streamers to stars: overcoming mass loss in protoplanetary disks
https://arxiv.org/abs/2605.26764

Bimodality in Rotational Modulation of Planet-Hosting Stars
https://arxiv.org/abs/2605.26197

Lithium-rich M-dwarfs at the ZAMS: Evidence for planetary engulfment?
https://arxiv.org/abs/2605.25747

May 26th 2026 updates

Silicate cosmic dust grain collisions in the interstellar medium: A molecular dynamics study
https://doi.org/10.48550/arXiv.2605.22225

PIC simulations of nonrelativistic high-Mach-number oblique shocks propagating in a turbulent medium
https://doi.org/10.48550/arXiv.2605.21986

The Search for Technosignatures: a Review of Possibilities
https://doi.org/10.48550/arXiv.2605.21093

ExoMol line lists – LXVIII: Rotation-vibration-electronic spectroscopy of Potassium Hydride (KH)
https://doi.org/10.1093/mnras/stag979

Producing planetary debris exterior to white dwarf Roche radii through sublimative rotational fission
https://doi.org/10.1093/mnras/stag978

Cloudy mornings and clear evenings on a gas giant exoplanet
https://doi.org/10.1126/science.adx5903

ASTRA Framework for Enhancing Human Performance and Safety in Analog Missions: A Pathway to Optimizing Analog Astronaut Selection
https://arc.aiaa.org/doi/10.2514/6.2026-3000

Computational and Experimental Investigation of Nozzle Plume Impingement for Detumbling Orbital Debris
https://arc.aiaa.org/doi/10.2514/1.A36421