We could see robots working on NASA's Habitable Worlds Observatory out in space.

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

Add Yahoo as a preferred source to see more of our stories on Google. Steven Spielberg and aliens go back a long time – they're the cinematic equivalent of peanut butter and jelly. And the history of ...

Steven Spielberg and aliens go back a long time – they're the cinematic equivalent of peanut butter and jelly. And the history of that successful pairing has led to his new sci-fi thriller "Disclosure ...

This is an edition of the Books Briefing, our editors’ weekly guide to the best in books. Sign up for it here. Oliva recommended six books in which the presence of aliens prompts readers to think more ...

Are humans alone in the universe? The answer is more complicated than science fiction might suggest. Scientists have discovered billions upon billions of potentially habitable planets. But if life is ...

The Heritage Foundation's Simon Hankinson and George Mason University's Bryan Caplan debate the resolution, "Immigration and Customs Enforcement (ICE) should complete its mandate to deport all illegal ...

(NewsNation) — A UFO whistleblower says there are multiple kinds of alien life and there are people in the U.S. government who know about it. Whistleblower David Grusch said the U.S. government is ...