WASHINGTON (AP) — A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White ...

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 ...

Astrophysicist Neil deGrasse Tyson has a blunt request for the government as the Pentagon rolls out the highly anticipated ...

"This is a detective story that can be resolved with better data," Harvard astrophysicist Avi Loeb told Newsweek.

Messoline, 61, is the manager of the UFO Watchtower, a scrappy roadside attraction that rises out of the southern Colorado ...

Secluded in the Nevada desert, the military base has long been associated with alien and UFO sightings. Here's the real history behind the conspiracy theories. UFO believers look for suspicious ...

Steven Spielberg’s latest UFO blockbuster is generating debate far beyond extraterrestrials and government secrets.

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 ...

Americans "deserve the truth," a U.S. congressman has told a press conference as part of a wider transparency campaign.

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 ...

WASHINGTON (AP) — A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a team of outside scientists to study the national security ...