Astrobiology

Extraterrestrial Life Habitability Origins of Life Search for Extraterrestrial Life Exoplanets Planetary Habitability Planetary Science Origin of Life Search for Life Planetary Formation

Shelf-Like Band on Mars Bolsters Case for Ancient Northern Ocean

Earth-style modeling points to a long-lived sea pending rover tests.

Study Finds Planets Need 20%–50% of Earth’s Ocean to Stay Habitable

Fungus From NASA Cleanrooms Survives Simulated Trip to Mars, Study Finds

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JWST Detects Methane From Interstellar Comet 3I/ATLAS

Mars Study Maps Broad Coastal Shelf, Bolstering Case for Ancient Northern Ocean

Scientists Outline 'Agnostic Biosignature' to Find Life Through Planetary Patterns

Rubin Observatory Logs 11,000 New Asteroids in Early Data Sweep

OSIRIS-REx Sample Shows Bennu’s Water Flowed in Channels, Preserving Fragile Organics

Earth Formed Entirely from Inner Solar System Material, Study Finds

Perseverance Finds Record Nickel in Mars Bedrock That Bolsters Case for Ancient Habitability

NASA Sets 2028 Launch for SR-1 Freedom, a Nuclear-Powered Mars Demo

Cornell Team Publishes Vetted List of 45 Rocky Exoplanets Most Likely to Host Life

ESA Unveils JUICE Video of Interstellar Comet 3I/ATLAS

Hayabusa2’s Ryugu Samples Confirm All Five DNA/RNA Bases, Pointing to Space-Born Formation Clues

Perseverance Radar Reveals Ancient Buried Delta Beneath Jezero Crater

Perseverance Radar Reveals Buried Ancient River Delta Beneath Jezero Crater

Cornell Catalog Identifies 45 Rocky Exoplanets in Habitable Zones

Hubble Accidentally Captures Comet C/2025 K1 Fragmenting in Real Time

Cracks in Bennu’s Boulders Solve OSIRIS‑REx Thermal Mystery

Hayabusa2 Ryugu Samples Contain All Five DNA and RNA Bases