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

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

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

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 ...

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

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 ...

Military and commercial pilots are being cast as star witnesses in the modern UFO story, but psychologists and ...

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

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 ...

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

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

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 ...