When scientists search for life beyond Earth, Mars usually gets most of the attention. But another world may offer an even ...

A Durham University survey reveals 86% of astrobiologists believe alien life likely exists, despite no confirmed evidence.

For a world to maintain an atmosphere long enough for life to gain a foothold, it seems it needs to be at least as big as ...

New research suggests AI can be repeatedly fooled into mistaking non-life for life.

A new policy paper proposes a lunar biocontainment facility for extraterrestrial samples. This secure lunar laboratory would analyze samples before Earth transport. Such a system significantly reduces ...

A rocky world orbiting within its star’s habitable zone may be surrounded by a helium-rich atmosphere, providing the ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study suggests alien life could be going undetected because scientists focus more on avoiding false discoveries than missing ...

A meteorite that crashed through the roof of a New Jersey home last year contains the chemistry of alien life, according to ...

NASA plans to launch the Habitable Worlds Observatory in the 2040s, a mission whose goal is “to image Earth-like planets ...

The Pentagon released its fourth batch of UFO files Friday following President Trump’s declassification order, including ...

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's recent declassified files. It's not. We're talking about technosignatures, ...

LOS ANGELES (AP) — In “Disclosure Day,” out Friday, Steven Spielberg is once again inviting audiences to ponder the existence of extraterrestrial life — and the implications it would have for religion ...