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 ...

A Catholic nun is sounding the alarm over the growing fascination with aliens, warning that alleged encounters could have ...

Steven Spielberg's new film “Disclosure Day” explores extraterrestrial life and its impact on religion. UFOs, now also called UAPs, are gaining mainstream attention.

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.

No bombshells so far in the latest Pentagon batch of declassified Unidentified Anomalous Phenomena files. But they show the CIA hid its involvement.

Steven Spielberg's new blockbuster coincides with real-world disclosures about the government's investigation of unidentified ...

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

The Donald Trump administration has released numerous files about reported UFO sightings as well as bizarre claims and reports about the surface of the Moon ...