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 14, 2026 Updates

Coupling magma-ocean and atmospheres in spectral retrievals of sub-Neptunes
https://arxiv.org/abs/2605.08752

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

The Maturity Hypothesis: Dimensional Transcendence and the Resolution of the Fermi Paradox
https://www.academia.edu/145908334/The_Maturity_Hypothesis_Dimensional_Transcendence_and_the_Resolution_of_the_Fermi_Paradox_Research_Edition_

The Activated Bridge: Dynamically-Induced Traversable Wormholes via Counter-Rotational Gravitomagnetic Shear
https://www.academia.edu/145733182/The_Activated_Bridge_Dynamically_Induced_Traversable_Wormholes_via_Counter_Rotational_Gravitomagnetic_Shear

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