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

Another batch of “UFO Files” have been dropped by the Pentagon, featuring previously classified documents, audio and footage of strange objects in the sky. The new release comes two weeks after the ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

Area 51 is back in the spotlight after a swarm of earthquakes near the Nevada military base. But the real story of Area 51 is ...

Newly declassified Pentagon UFO files have reignited debate over a possible alien presence on the Moon after a previously secret NASA Apollo 16 briefing surfaced online. The recording references a ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Just over a week after the release of the Department of Defense’s first ...

New claims that the United States has recovered remains of four separate species of alien life are sending shockwaves throughout the UFO disclosure movement, further drumming up conversations ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustration by Alberto Mier/CNN When the Trump administration registered the domains Aliens.gov and Alien.gov in March, UFO ...

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...