Alarmed defense experts believe these UFOs may be highly advanced, next-generation spy drones, raising concerns about ...

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

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 ...

Internet-famous UFO stories so wild they may just be true Alien and UFO sightings have been anomalies for decades. While the ...

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

Newly declassified Pentagon UFO files have reignited debate over a possible alien presence on the Moon after a previously ...

There has been incredible interest in the UFO files released by the U.S. government. But even these documents and videos aren’t enough proof for everyone.

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

A former CIA-linked physicist's comments about 'four alien species' have reignited UFO conspiracy theories online.

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

Astrophysicist and UFO expert Neil deGrasse Tyson has once again challenged claims that unidentified aerial phenomena (UAPs) ...