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Extraterrestrial Life

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Obama Clarifies ‘Aliens Are Real’ Remark, Cites No Evidence of Contact

He later said he was referring to the statistical likelihood of life elsewhere.

Study Links Titan’s Moon‑Merger Origin to Saturn’s Young Rings

NASA-Led Study Finds Nonbiological Sources Fall Short for Curiosity’s Mars Organics

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

Ancient Nitrogenase Rebuilt in Living Microbes Confirms Billion-Year Isotope Signal

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

NASA Resumes Search for Silent MAVEN Orbiter as Odds of Recovery Diminish

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

First All-Sky Census of Nearby K Dwarfs Flags 529 Prime Targets for Earth-Like Planet Searches

Green Bank Radio Search Finds No Signs of Technology on Interstellar Object 3I/ATLAS

No Alien Signals Detected From Interstellar Visitor 3I/ATLAS in Green Bank Scan

Record-Deep Arctic Gas Hydrate Seeps Teeming With Life Confirmed at Molloy Ridge

Sun-Facing Tail in Interstellar Comet 3I/ATLAS Reveals Wobbling Jets, Suggesting 15.5-Hour Rotation

Study Maps Rapid, Predictable Microbial Colonization of New Icelandic Lava

Interstellar Comet 3I/ATLAS Makes Closest Pass to Earth at About 168 Million Miles

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

Perseverance Cleared for Years More Mars Driving With New Push Toward 'Lac de Charmes'

Interstellar Comet 3I/ATLAS to Make Safe Closest Approach Friday at 167 Million Miles

New X-Ray and Gemini Images Refine View of Interstellar Comet 3I/ATLAS Before Dec. 19 Earth Flyby

Peer-Reviewed Study Links Europa’s ‘Spider’ to Brine Eruptions Like Earth’s Lake Stars