Science ❯ Astrobiology

Habitability

Extraterrestrial Life Planetary Conditions Subsurface Oceans Microbial Life Ocean Worlds Mars Habitability Icy Moons Planetary Atmospheres Mars Conditions for Life

Reanalysis of Galileo Data Finds Ammonia on Europa Near Surface Fractures

A 2.20‑micron spectral signal points to freshly emplaced ammonia-bearing materials that will guide Europa Clipper follow-up.

Juno Sounding Finds Europa’s Outer Ice Layer Averages 18 Miles Thick in Surveyed Region

Kepler Data Reveal Earth-Size Planet Candidate HD 137010 b Near Star’s Habitable Edge

NASA Study of Apollo Moon Soil Finds Meteorites Supplied Only a Small Share of Earth’s Water

New Model Shows Salty Europa Ice Could Sink, Ferrying Nutrients to Its Hidden Ocean

Mars’ Gravity Helps Drive Earth’s Ice‑Age Cycles, New Simulations Show

High-Resolution Mars Mapping Points to Arctic-Sized Ocean 3 Billion Years Ago

Study Finds Europa’s Seafloor Likely Inactive, Undercutting Hopes for Present-Day Life

Study Maps Rapid, Predictable Microbial Colonization of New Icelandic Lava

Titan May Lack a Global Ocean, Cassini Reanalysis Points to a Slushy Interior With Isolated Water Pockets

Webb Spots Carbon-Rich, Lemon-Shaped Planet Orbiting a Pulsar

JWST Finds Strong Evidence of a Thick Atmosphere on Molten Super-Earth TOI-561 b

Webb Data Point to Thick Atmosphere on Ultra‑Hot Super‑Earth TOI‑561 b

Perseverance Confirms 55 Tiny Electrical Sparks in Martian Dust Storms and Devils

Perseverance Finds Kaolinite in Jezero, Pointing to Long-Lived Rain on Ancient Mars

Early JWST Campaign Finds Stellar Noise Hindering TRAPPIST-1e Atmosphere Test

Hubble and Juice Capture New Views of Interstellar Comet 3I/ATLAS Ahead of Dec. 19 Flyby

ESA Mars Express Reveals 'Butterfly' Crater Carved by Low-Angle Impact

Perseverance Links Jezero’s White Clays to Rainfall on Ancient Mars

Sun Erupts With X1.9 Flare as Largest 2025 Sunspot Complex Emerges