Sharks might not be a natural biological group, with most species potentially closer kin to rays than to an oddball group of sharks.

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

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 ...

UFO discussions have long been part of the milieu at the Conscious Life Expo, which convenes thousands of New Age spiritual ...

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 ...

Our single-celled ancestor lived in a world without plants, animals or oxygen-rich oceans. Yet, this seemingly simple microorganism took the first steps toward complex life. From this ancestor emerged ...

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

President Donald Trump criticized Barack Obama for his comments on aliens. Then, he said we should release more files. Joe Biden signed disclosure bill.

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 Obama kicked things off a couple of weeks ago with his startling admission ...