Interstellar Updates

Clouds with a silicate lining: Using JWST spectra to probe atmospheric diversity in young AB Dor L dwarfs
https://arxiv.org/abs/2603.24662

Disentangling auroral, cloud and magnetic spot driven variability in three early L-dwarfs with HST/WFC3
https://arxiv.org/abs/2603.24663

GJ 523b is a Massive, 170 Myr-old Mega-Earth, Likely on a Polar Orbit
https://arxiv.org/abs/2603.24682

From dust to planets — II. Effects of wide binary companions and external photoevaporation on planetesimal and embryo formation
https://arxiv.org/abs/2603.24710

Deep radiative zones affect the planetary cooling and internal structure: implications for exoplanet characterisation
https://arxiv.org/abs/2603.24777

Resizing the giants: How modelling adiabatic interiors impacts predicted planetary radii
https://arxiv.org/abs/2603.24779

SaNDi-SHoP: Searching for Satellites’N’Disks with a Star-Hopping Program I. Analysis of the close surroundings of DI companions
https://arxiv.org/abs/2603.24796

On the importance of laboratory experiments for interpreting exoplanet observations
https://link.springer.com/article/10.1007/s10509-026-04564-6

Flare-driven habitability: Expanding life’s potential around low-mass stars
https://arxiv.org/abs/2603.24944

A post-perihelion constraint on the CO₂/H₂O ratio of interstellar comet 3I/ATLAS from [O I] forbidden lines
https://arxiv.org/abs/2603.25002

The Circumbinary Disc of HD 34700A II. Analysis of a strong dust asymmetry
https://arxiv.org/abs/2603.25541

Identifying Surface Degeneracies in Single-Visit Reflected Light Observations of Modern Earth using the Habitable Worlds Observatory
https://arxiv.org/abs/2603.25694

Cloudy solutions for the clear skies of WASP-80b: 3D cloud feedback on the atmosphere and spectra of a warm Jupiter
https://arxiv.org/abs/2509.23406

Isotopic Signature of Organic Molecules from Beyond the Solar System: An Enriched Methane D/H Ratio in the Interstellar Object 3I/ATLAS
https://arxiv.org/abs/2603.20445

HiDef Neighbors: Solar System objects as exoplanet analogs: I. Gaseous objects
https://www.aanda.org/articles/aa/full_html/2026/03/aa55769-25/aa55769-25.html

Simulated microgravity alters sperm navigation, fertilization and embryo development in mammals
https://www.nature.com/articles/s42003-026-09734-4

Direct Spectroscopic Confirmation of the Young Embedded Protoplanet WISPIT 2c
https://iopscience.iop.org/article/10.3847/2041-8213/ae4b3b

THE FIRST CIRCUMBINARY PLANET FOUND BY MICROLENSING: OGLE-2007-BLG-349L(AB)c
https://iopscience.iop.org/article/10.3847/0004-6256/152/5/125

The PAIRS project: a global formation model for planets in binaries: I. Effect of disc truncation on the growth of S-type planets
https://www.aanda.org/articles/aa/full_html/2026/04/aa57243-25/aa57243-25.html

The PAIRS project: a global formation model for planets in binaries: II. Gravitational perturbation effects from secondary stars
https://www.aanda.org/articles/aa/full_html/2026/04/aa57244-25/aa57244-25.html

From Space Dust to Protocells: Micrometeorites in Early Cellular Evolution
https://journals.sagepub.com/doi/10.1177/15311074261434670

Observation Variable Framework for Exoplanet Habitability and Biosignatures
https://spj.science.org/doi/10.34133/space.0314

Exploring hidden cosmic highways: stability and orbital dynamics of quasi-Lagrangian points in the Kepler-1625 exoplanetary system
https://link.springer.com/article/10.1007/s12036-026-10141-8

Exocometary Physics: Material Release and Tails
https://link.springer.com/article/10.1007/s11214-026-01284-9

Hot Rocks Survey. V. Secondary Eclipse Photometry of GJ 3473 b with JWST/MIRI
https://iopscience.iop.org/article/10.3847/1538-3881/ae4c45

A Possible Mechanism to Explain the Prograde Equatorial Jet of a Jupiter-like Gaseous Giant
https://iopscience.iop.org/article/10.3847/2041-8213/ae518c

A multi-scale framework with machine learning for hydrogen transport properties in nuclear thermal propulsion
https://www.sciencedirect.com/science/article/abs/pii/S0306454926002094

Perovskite Solar Cells for Space Applications: Progress, Perspectives, and Remaining Challenges
https://www.mdpi.com/1996-1073/19/6/1432

Simulating ultrarelativistic beam-plasma instabilities with a quasistatic particle-in-cell code
https://www.sciencedirect.com/science/article/abs/pii/S0010465526001220

Organosulfur Chemistry on sub-Neptunes: Implications for hazes and biosignatures
https://arxiv.org/abs/2603.18923

Benchmarking Astrochemistry Paradigms: Relative Absence of C6H5CN+ in the Diffuse ISM
https://arxiv.org/abs/2603.23739

Toward a systems view of life’s origins: Modeling the emergence of complexity across chemical, informational and ecological levels
https://www.sciencedirect.com/science/article/pii/S245231002600017X

Detection of nucleotides with gas chromatography – mass spectrometry (GC-MS) using trimethylsulfonium hydroxide (TMSH) and tetramethylammonium hydroxide (TMAH) thermochemolysis: Characterization, comparison and application to future experiments onboard space probes
https://www.sciencedirect.com/science/article/pii/S0039914026003401

Toward extraterrestrial librarianship: Designing knowledge systems for human settlements in space
https://www.sciencedirect.com/science/article/abs/pii/S246889672600039X

Short-Term Turbulence Prediction for Seeing Using Machine Learning
https://arxiv.org/abs/2603.24466

Gas dynamics around dust asymmetries in turbulent disks
https://arxiv.org/abs/2603.24184

Exoplanet Search and Characterization with the Proposed POET Canadian Space Mission
https://arxiv.org/abs/2603.24485

A Physical Classification of Exoplanet Thermal Environments: Stellar Irradiation versus Tidal Heating
https://arxiv.org/abs/2603.23557

Ecological modelling of hycean worlds
https://arxiv.org/abs/2603.22491

Insights into the Exoplanet Radius Valley from Host-Star Ages, Activity, Chemistry, and Birth Radius
https://arxiv.org/abs/2603.21581

Atmospheric Collapse and Habitability on Tidally Locked Exoplanets
https://iopscience.iop.org/article/10.3847/1538-4357/ae47f2

Feasibility constraints and detectability of habitable class B stellar engines at maximum performance
https://iopscience.iop.org/article/10.1088/1402-4896/ae4a5c

Automatic search for transiting planets in TESS-SPOC FFIs with RAVEN: over 100 newly validated planets and over 2000 vetted candidates
https://arxiv.org/abs/2603.22597

First Detection of the Glycine Isomer Glycolamide in Hot Molecular Core
https://arxiv.org/abs/2603.23170

Turning the knobs on dust evolution: Comparing codes, parameters and their effects on planet formation and disc observables
https://arxiv.org/abs/2603.22550

Planet-Planet Scattering Explains the Mass-Eccentricity Relation of Warm Jupiters
https://arxiv.org/abs/2603.22426

Unified Formation Channel of Hot and Warm Jupiters via Planet-Planet Scattering
https://arxiv.org/abs/2603.22409

Formation of spirals in early stage protoplanetary discs
https://arxiv.org/abs/2603.23317

Perihelion observations of interstellar comet 3I/ATLAS with the IRAM 30-m telescope
https://arxiv.org/abs/2603.23240

Exploring hidden cosmic highways: stability and orbital dynamics of quasi-Lagrangian points in the Kepler-1625 exoplanetary system
https://link.springer.com/article/10.1007/s12036-026-10141-8

Exoplanets – The Search for Earth’s Twin
https://link.springer.com/book/9783032226839

On the importance of laboratory experiments for interpreting exoplanet observations
https://link.springer.com/article/10.1007/s10509-026-04564-6

Consciousness Bandwidth and Frequency Orthogonality: An Energy-flux resolution to the Fermi Paradox

Consciousness Bandwidth and Frequency Orthogonality: An Energy-flux resolution to the Fermi Paradox

Kinematic and Spectroscopic Constraints on the Origin of Interstellar Object 3I/ATLAS: An Ablative Propulsion Model

Kinematic and Spectroscopic Constraints on the Origin of Interstellar Object 3I/ATLAS: An Ablative Propulsion Model

Laser-ZPE Interstellar Propulsion Revisited

Laser-ZPE Interstellar Propulsion Revisited

Mapping the Galactic Biosphere: A Fokker-Planck Approach to the Stochastic Distribution of Life

Mapping the Galactic Biosphere: A Fokker-Planck Approach to the Stochastic Distribution of Life

Optimal Energy and Resource Distribution in Kardashev Type III Civilizations

Optimal Energy and Resource Distribution in Kardashev Type III Civilizations

Toward a Physics of the Ceiling: Structural Limits on the Evolution of Advanced Civilizations and the Emergence of Compact Final Forms

Toward a Physics of the Ceiling: Structural Limits on the Evolution of Advanced Civilizations and the Emergence of Compact Final Forms

An Earth-sized planet on a 5.4 h orbit around a nearby K dwarf
https://www.aanda.org/articles/aa/full_html/2026/03/aa56365-25/aa56365-25.html

Diversities and similarities exhibited by multi-planetary systems and their architectures: II. Radii of singles and multis
https://www.aanda.org/articles/aa/full_html/2026/03/aa57468-25/aa57468-25.html

Cloudy solutions for the clear skies of WASP-80b: 3D cloud feedback on the atmosphere and spectra of a warm Jupiter
https://www.aanda.org/articles/aa/full_html/2026/03/aa57411-25/aa57411-25.html

Quantifying the C/O Ratio in the Planet-forming Environments around Very Low-mass Stars
https://iopscience.iop.org/article/10.3847/1538-4357/ae43eb

Feasibility constraints and detectability of habitable class B stellar engines at maximum performance
https://iopscience.iop.org/article/10.1088/1402-4896/ae4a5c

TESS Hunt for Young and Maturing Exoplanets (THYME). XIV. A Comoving-based Age Constraint for KELT-20
https://iopscience.iop.org/article/10.3847/1538-3881/ae4c48

Revisiting the Orbital Dynamics of the Hot Jupiter WASP-12 b with New Transit Times
https://iopscience.iop.org/article/10.3847/1538-3881/ae4c86

Direct Spectroscopic Confirmation of the Young Embedded Protoplanet WISPIT 2c
https://iopscience.iop.org/article/10.3847/2041-8213/ae4b3b

A Minimal Four-Thruster System for Comet-Based Interstellar Navigation
https://arxiv.org/abs/2603.16981

Isotopic Signature of Organic Molecules from Beyond the Solar System: An Enriched Methane D/H Ratio in the Interstellar Object 3I/ATLAS
https://arxiv.org/abs/2603.20445

Recent Progress in the Characterization of the Atmosphere of Exoplanets: Observations, Models
https://acopen.umsida.ac.id/index.php/acopen/article/view/13828

The Exploration of Exoplanets Based on The Transit Method
https://drpress.org/ojs/index.php/ajst/article/view/33322

GSF-22 -Resonant Chains on the Scale Manifold: From Kepler Projection to Corridor Capture in Exoplanet Systems
https://www.researchgate.net/publication/402124699_GSF-22_-Resonant_Chains_on_the_Scale_Manifold_From_Kepler_Projection_to_Corridor_Capture_in_Exoplanet_Systems

NASA’s Pandora SmallSat Mission: Simulated Modeling and Retrieval of Near-Infrared Exoplanet Transmission Spectra
https://arxiv.org/abs/2603.04488

Framing the Possibility Space for Technosignature Searches
https://arxiv.org/abs/2603.17741

Radiating Bondi Flows II: Giant Planet Accretion Models
https://arxiv.org/abs/2603.20377

High-resolution spectroscopic atmospheric studies of 5 hot Jupiters across the edge of the Neptune desert
https://arxiv.org/abs/2603.21273

Insights into the Exoplanet Radius Valley from Host-Star Ages, Activity, Chemistry, and Birth Radius
https://arxiv.org/abs/2603.21581

Planetary Architectures of Kepler Compact Multis with Binary Star Companions
https://arxiv.org/abs/2603.21897

Proton Irradiation of Primitive Atmospheres of Young Exoplanets and biearly Earth: Greenhouse Warming and Prebiotic Synthesis
https://arxiv.org/abs/2603.18206

Test of a 34 GHz EOM laser frequency comb at ESPRESSO
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stag426/8529013

ExoIris: Fast Exoplanet Transmission Spectroscopy in Python
https://iopscience.iop.org/article/10.3847/1538-3881/ae47ee

A Robust Launching Mechanism for Free- floating Planets from Host Stars with Close-in Planets
https://iopscience.iop.org/article/10.3847/1538-4357/ae36a4

Probing the limits of habitability: a catalogue of rocky exoplanets in the habitable zone
https://academic.oup.com/mnras/article/547/3/stag028/8526432

A Planetary Illusion’s Funeral: Non-detection of a Gaia DR3 Exoplanet Candidate, and the Role of Intermediate-precision Radial Velocities in Gaia Exoplanet Follow-up
https://arxiv.org/abs/2603.19402

Three outstanding physical questions for K2-18 b and other temperate sub-Neptunes
https://arxiv.org/abs/2603.19803

Observations of Exocomets
https://arxiv.org/abs/2603.19978

High-resolution mid-IR spectroscopy of SVS 13-A with EXES/SOFIA: The surprisingly high CH3OH/H2O ratio in the planet-forming zone of a solar mass protostar
https://arxiv.org/abs/2603.19992

Retrieving the Red Edge on Earth-like Planets with Heterogeneous Clouds and Surfaces
https://arxiv.org/abs/2603.20033