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.

May 13, 2026 Updates

Formation of stable exoplanetary systems around pulsars by capture: An exercise in computational classical mechanics
https://arxiv.org/abs/2605.12591

𝛼𝛽𝑞th-mapping of planet-induced density wave damping in protoplanetary discs
https://arxiv.org/abs/2605.12607

The HAges Catalog: Stellar Ages for High Priority HWO Target Stars
https://arxiv.org/abs/2605.12647

Extensions of Brown Hamiltonian-III. Applications to irregular satellites of giant planets
https://arxiv.org/abs/2605.12864

Fizzy water ice in space: CO2 adsorption, binding energies and its fate in a protoplanetary disk
https://arxiv.org/abs/2605.13308

Self-gravity in thin protoplanetary discs: 2. Numerical convergence solved and revealing the overestimation in mass of formed planets with softening
https://arxiv.org/abs/2605.13461

May 12, 2026 Updates

A practical guide to implementing zero-order-hold interplanetary trajectory legs
https://arxiv.org/abs/2605.11043

Chemical signatures of planetary systems in their host stars. Near-infrared spectroscopy of four planet-hosting wide binaries
https://arxiv.org/abs/2605.11095

Detection and Characterization of the Temperate Super-Earth Ross 318 b
https://arxiv.org/abs/2605.11123

An Outer Giant Planet or Brown Dwarf in the 51 Pegasi System?
https://arxiv.org/abs/2605.11127

Continuous mass ablation of planets engulfed in stellar envelopes
https://arxiv.org/abs/2605.11343

A Hybrid Origin for the Multiple Ring-Gap Structures in the Large Protoplanetary Disk V1094 Sco: A Low-Mass Planet and Secular Gravitational Instability
https://arxiv.org/abs/2605.11486

Measurements and predictions of H2 pressure-broadening coefficients of CO2 absorption lines for exoplanet atmosphere studies
https://arxiv.org/abs/2605.11761

Simulation of the spin evolution of some selected exoplanets and inferences on their climate
https://arxiv.org/abs/2605.11780

An Ultra-Short Period Super-Earth and a Sub-Neptune Orbiting the K dwarf TOI-4311
https://arxiv.org/abs/2605.12324

The Impact of Supermassive Black Holes on Exoplanet Habitability. I. Spanning the Natural Mass Range
https://arxiv.org/abs/2511.10794

Dust characterization of halos: The extended emission in protoplanetary disks
https://arxiv.org/abs/2604.18332

 

May 11, 2026 Updates

The Impact of Radiation Environment on the Evolution and Fragmentation of Protostellar Discs 

https://doi.org/10.1093/mnras/stag880

 

A public dataset of Ariel simulated observations for developing exoplanetary atmosphere data reduction pipelines. 

https://doi.org/10.1093/rasti/rzag036

 

ATOMIUM: Inner circumstellar envelopes of oxygen-rich AGB stars as revealed by highly excited SiO lines 

https://doi.org/10.1093/mnras/stag888

 

Observations of Exocomets

https://doi.org/10.1007/s11214-026-01300-y

May 8, 2026 Updates

Life is But a Stream: The Distribution of Planetary Systems Along Stellar Streams and their Properties
https://arxiv.org/abs/2605.05293

Resonant Hamiltonian Dynamics in the CR3BP: Bistability and Stochastic Resonance in Binary Planetary Systems
https://arxiv.org/abs/2605.05470

Results of ten years of UCLA SETI searches with the Green Bank Telescope
https://arxiv.org/abs/2605.05408

Phase-Space Crystallization in Galactic Globular Clusters: A Gaia-Based Metric and Implications for Technosignature Searches
https://arxiv.org/abs/2605.06072

A preliminary exploration of the effects of baseline length for the LIFE space mission
https://arxiv.org/abs/2605.06648

A new look into the atmospheric composition of WASP-39 b
https://arxiv.org/abs/2504.07823

A Physical Model for the Ice Coma of the Interstellar, Hyperactive Comet 3I/ATLAS
https://arxiv.org/abs/2510.18157

Beyond the α model: scaling the wind-driven accretion rate in protoplanetary disks using systematic non-ideal magnetohydrodynamical simulations
https://arxiv.org/abs/2605.04456

A high-fidelity simulator for evaluation of hemodynamic response during cardiopulmonary resuscitation in hypogravity environments
https://www.nature.com/articles/s41526-026-00577-1

JWST Unveils a High Mean Molecular Weight Atmosphere for Mini-Neptune TOI-1130 b: Evidence for Formation Beyond the Water Ice Line
https://iopscience.iop.org/article/10.3847/2041-8213/ae5f8b

May 7, 2026 Updates

Algorithmic bottlenecks in evolution: Genetic code, symbolic language, and the Great Filter hypothesis
https://arxiv.org/abs/2605.04498

Hypergravity exposure leads to persistent effects on geotaxis and activity in Drosophila melanogaster
https://journals.biologists.com/jeb/article/229/8/jeb251327/371426/Hypergravity-exposure-leads-to-persistent-effects

Advancements in soft robotics: materials, actuation, modeling, and applications
https://iopscience.iop.org/article/10.1088/2053-1591/ae5d8d

Impact of Climate States and Seasons on Future Exo-Earth Observations
https://arxiv.org/abs/2605.04187

Smaller Than Earth Habitability Model (STEHM): The Lower Size Limit for Atmosphere Retention in the Habitable Zone
https://arxiv.org/abs/2605.00170

Searching for GEMS: Three warm Saturns and a super-Jupiter orbiting four early M-dwarfs
https://arxiv.org/abs/2604.27064

The Influences of Hydrogen-Silicate-Iron Miscibility on the Demographics of Sub-Neptunes and Super-Earths
https://arxiv.org/abs/2604.28135

Horizontal transport as a source of disequilibrium chemistry on the nightside of a hot exoplanet
https://arxiv.org/abs/2605.04936

The dark and featureless surface of rocky exoplanet LHS 3844 b from JWST mid-infrared spectroscopy
https://arxiv.org/abs/2605.00100

Modeling Volcanic Plume Heights Across Exoplanet Atmospheres: Insights from TRAPPIST-1
https://arxiv.org/abs/2605.04423

The NUV transit of XO-3 b
https://arxiv.org/abs/2605.05068

The Transit Timing and Transmission Spectrum of Hot Jupiter WASP-43 b from a Decade of Multiband Transit follow-up Observations
https://iopscience.iop.org/article/10.3847/1538-3881/ae5b78

Unraveling the Mystery of the Peculiar and Young Hot Jupiter CoRoT-2b. I. H2O and CO Detection from Dayside Observations with Gemini-S/IGRINS
https://iopscience.iop.org/article/10.3847/1538-3881/ae5ba6

The Days Drag On on WASP-121 b: Interpreting its NIRISS Spectroscopic Phase Curve with General Circulation Models
https://arxiv.org/abs/2605.01589

TOI-159 b: an eccentric hot-Jupiter planet around a young, pulsating γ Doradus star
https://arxiv.org/abs/2605.04149

The ESO SupJup Survey. X. A carbon isotope contrast in the young ROXs 12 system
https://arxiv.org/abs/2605.03508

Asteroseismic modelling of main-sequence solar-like stars and Kepler exoplanet host stars with the FICO procedure I. Catalogue of fundamental stellar properties
https://arxiv.org/abs/2604.27842

Thermal instability and rocky planetesimal formation in the inner regions of protoplanetary disks
https://arxiv.org/abs/2604.27581

JWST/MIRI Hydrocarbon and Water Absorption in the Wind of a Young Disk: Signatures of Pebble Drift and Carbon Grain Sublimation
https://iopscience.iop.org/article/10.3847/1538-4357/ae5e6a

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