Science ❯ Astrobiology

Extraterrestrial Life

Habitability Mars Exploration Mars Habitability Alien Technology Planetary Conditions Mars Alien Theories Microbial Life Theories Ocean Worlds

New Analysis Finds Titan Likely Lacks Global Ocean, Reveals Thick Slushy Interior

Reprocessed Cassini timing reveals a 15-hour tidal lag indicating a viscous interior.

Interstellar Comet 3I/ATLAS Nears Dec. 19 Flyby as Global Network Tracks Cometary Acceleration

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

Interstellar Comet 3I/ATLAS Approaches Dec. 19 Flyby at 270 Million Kilometers

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

ALMA Spots Methanol-Rich Chemistry in Interstellar Visitor 3I/ATLAS

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

Hubble and ESA’s Juice Capture 3I/ATLAS With Active Coma and Twin Tails

Ribose and First Extraterrestrial Glucose Confirmed in Bennu, Along With Gum-Like Organic and Rare Stardust

Bennu Samples Reveal Bio-Essential Sugars, 'Space Gum' and Supernova Dust in New Studies

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

Perseverance Records Persuasive Evidence of Tiny Electrical Discharges on Mars

UN Network Launches Global Campaign to Track Interstellar Comet 3I/ATLAS Before Dec. 19 Flyby

UN and IAWN Launch Two-Month 3I/ATLAS Tracking Exercise as Agencies Reaffirm No Threat

Voyager 1 Nears One Light-Day From Earth, With Milestone Expected in 2026

Perseverance Records First Direct Electrical Discharges on Mars

Yellowstone Quake Swarm Briefly Rewired a Deep Aquifer’s Chemistry and Microbes

3I/ATLAS Nears Dec. 19 Earth Flyby as NASA Affirms It Is a Natural Interstellar Comet

AI Detects Chemical Signatures of Life in 3.3-Billion-Year-Old Rocks