Exoplanets, -moons, -comets Archives - Astrobiology

Water Versus Land On Temperate Rocky Planets

Exoplanets, -moons, -comets

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Cosmic-Ray Bath in a Past Supernova Gives Birth to Earth-Like Planets

Astrochemistry

Cosmic-Ray Bath in a Past Supernova Gives Birth to Earth-Like Planets

Diversity In The Haziness And Chemistry Of Temperate Sub-Neptunes

Exoplanets, -moons, -comets

Diversity In The Haziness And Chemistry Of Temperate Sub-Neptunes

Rare Image Of Tatooine-like Planet Is Closest To Its Twin Stars Yet

Exoplanets, -moons, -comets

Rare Image Of Tatooine-like Planet Is Closest To Its Twin Stars Yet

Rocky Worlds Status Report 2 Dec 2025

Exoplanets, -moons, -comets

Rocky Worlds Status Report 2 Dec 2025

An Analytical Framework For Atmospheric Tides On Rocky Planets. I. Formulation

Exoplanets, -moons, -comets

An Analytical Framework For Atmospheric Tides On Rocky Planets. I. Formulation

Detectability of Atmospheric Biosignatures in Earth Analogs with Varying Surface Boundary Conditions: Prospects for Characterization in the UV, Visible, Near-Infrared, and Mid-Infrared Regions

Biosignatures & Paleobiology

Detectability of Atmospheric Biosignatures in Earth Analogs with Varying Surface Boundary Conditions: Prospects for Characterization in the UV, Visible, Near-Infrared, and Mid-Infrared Regions

Validation Of A Third Earth-sized Planet In The TOI-2267 Binary System

Exoplanets, -moons, -comets

Validation Of A Third Earth-sized Planet In The TOI-2267 Binary System

Formation Of Cold Giant Planets Around Late M Dwarfs Via Core Accretion And The Fate Of Inner Rocky Worlds

Exoplanets, -moons, -comets

Formation Of Cold Giant Planets Around Late M Dwarfs Via Core Accretion And The Fate Of Inner Rocky Worlds

Physicochemical Controls On The Compositions Of The Earth And Planets

Astrochemistry

Physicochemical Controls On The Compositions Of The Earth And Planets

First Astrometric Limits On Binary Planets And Exomoons Orbiting β Pictoris b

Beta Pictoris

First Astrometric Limits On Binary Planets And Exomoons Orbiting β Pictoris b

Conclusive Tests For The RISTRETTO Proxima b Exoplanet Explorer

Astronomy & Telescopes

Conclusive Tests For The RISTRETTO Proxima b Exoplanet Explorer

SPHERE’s Debris Disk Gallery: Tell-tale Signs Of Dust And Small Bodies In Distant Solar Systems

Astrogeology

SPHERE’s Debris Disk Gallery: Tell-tale Signs Of Dust And Small Bodies In Distant Solar Systems

Venus As An Exoplanet Analog: Extended UV Transit Signatures And Coronal Occultations

Venus

Venus As An Exoplanet Analog: Extended UV Transit Signatures And Coronal Occultations

Multi-bandpass Photometry for Exoplanet Atmosphere Reconnaissance (MPEAR) with the Habitable Worlds Observatory (HWO) — I. Differentiating Earth from Neptunes During Discovery

Astronomy & Telescopes

Multi-bandpass Photometry for Exoplanet Atmosphere Reconnaissance (MPEAR) with the Habitable Worlds Observatory (HWO) — I. Differentiating Earth from Neptunes During Discovery

JWST TRAPPIST-1 e/b Program: Motivation and First Observations

TRAPPIST-1

JWST TRAPPIST-1 e/b Program: Motivation and First Observations

Determining the Detectability of H2O With Photometric Observations Using Bayesian Analysis For Remote Biosignature Identification On exoEarths (BARBIE)

Biosignatures & Paleobiology

Determining the Detectability of H2O With Photometric Observations Using Bayesian Analysis For Remote Biosignature Identification On exoEarths (BARBIE)

System Analysis For A high-precision High-accuracy Astrometric Instrument For HWO

Astronomy & Telescopes

System Analysis For A high-precision High-accuracy Astrometric Instrument For HWO

Young M Dwarfs Flare Activity Model: Towards Better Exoplanetary Atmospheric Characterisation

Space Weather & Heliophysics

Young M Dwarfs Flare Activity Model: Towards Better Exoplanetary Atmospheric Characterisation

On The Transitional Character and Regularity of Planetary Abiogenesis

Exoplanets, -moons, -comets

On The Transitional Character and Regularity of Planetary Abiogenesis