Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

An experiment mimicking conditions on the Saturn moon suggests that cell-like bubbles don’t form in methane lakes, puncturing hopes for alien life.

The researchers who scan the skies for radio signals from extraterrestrials are now rethinking their approach.

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

"Extremophile" bacteria could survive asteroid impacts that are strong enough to launch them into space, suggesting that life could travel between planetary bodies.

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

What: SETI Institute Artists-in-Residence present Exoplanetary Poetry, an art-science collaboration that trains artificial intelligence on exoplanet atmospheric chemi ...

New Scans of a Martian Meteorite That Landed on Earth Strengthen ‘Alien Life’ Claims ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

UFO discussions have long been part of the milieu at the Conscious Life Expo, which convenes thousands of New Age spiritual seekers in Los Angeles each year. But in the conference’s 24th year, ...

With Seth MacFarlane teasing a (hopeful) season four (someday), here are the must-watch episodes of his underrated sci-fi series.

Discover Coral Castle in Florida, a mysterious stone monument built by one man that still puzzles visitors with massive blocks, moving gates, and hidden secrets.