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Extraterrestrial Life

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New Statistical Biosignature Distinguishes Life From Nonlife

The peer-reviewed study highlights a simple, instrument-agnostic metric with potential use on data from current and future missions.

Curiosity Frees Stuck Mars Rock After Rare Drill Mishap

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Study Reports Tenuous Atmosphere on a 500-Kilometer Kuiper Belt World

Interstellar Comet 3I/ATLAS Shows Extreme Heavy-Water Signal, Pointing to an Ultra‑Cold Origin

NASA Administrator Says Finding Evidence of Alien Life Is Likely

Trump Orders Release of Government UFO Files

Burchett Says Secret UFO Briefings Would ‘Unglue’ America, Urges Trump to Release Files

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

Ryan Gosling’s Project Hail Mary Opens in Germany With Strong Early Buzz

SETI Study Finds Stellar Space Weather Can Smear Technosignatures Past Current Searches

SETI Study Finds Stellar Space Weather May Smear Alien Radio Signals

JUICE Releases Best-Yet Image of Interstellar Comet 3I/ATLAS as Data Flow Begins

Pentagon Says It Is Working on Trump-Ordered UFO File Release

Trump Orders Agencies to Ready Alien and UFO Records, Accuses Obama of Revealing Secrets

Trump Accuses Obama of Revealing Classified Info Over Viral 'Aliens Are Real' Comment

Obama Clarifies Viral ‘They’re Real’ Remark, Says He Saw No Evidence of Alien Contact

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

Obama Clarifies Viral 'Aliens Are Real' Remark, Says He Saw No Proof of Contact

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

Project Hail Mary Final Super Bowl Trailer Reveals Rocky, Positioning an IMAX Event Release