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

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder to detect.

"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 ...

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

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

Thousands converged in Los Angeles for the Conscious Life Expo, where influencers and cultural shifts are fueling cosmic belief systems often featuring extraterrestrials.

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

Werner Herzog does not believe aliens have visited Earth, but he does think other life forms exist in the universe. He also believes his poetry will outlive his films.

There's a definite buzz going around this month about aliens from other worlds, or hadn't you noticed? Former US President ...

Answers to some of those questions could finally become public after President Trump's call last week for the release of files related to UFOs or any "alien and extraterrestrial life." Mr. Trump ...