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

A NASA whistleblower claimed that the space agency knowingly covered up proof of alien life captured in everyday photos.

NASA administrator Jared Isaacman says declassified UAP files show real unexplained phenomena but no alien bodies or crashed ships have been found.

NASA astronaut Anil Menon spoke with Newsweek's Leonardo Feldman about life in space, recently declassified UFO sightings, ...

For decades, the question of whether life exists beyond Earth has been the domain of science fiction writers and late-night ...

The Pentagon says the website has U.S. government photos, videos, and documents that ‘are in one place – no clearance required.’ ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

They haven’t found alien life out there yet, but following the first successful in-space DNA sequencing, astronauts have a better way to look for it. This first test was mostly just to see that DNA ...