Throughout history, there have been countless questions about life beyond Earth. Space is vast and unknown, and many hope ...

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.

If you're a skeptic, these UFO sightings will convince you that the truth is out there—and it may not be from Earth. Eerie ...

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 ...

EXCLUSIVE: A new documentary is resurrecting the story of 1995's elaborate alien autopsy hoax. Former Mirror photographer Mike Maloney's testimony blows the UFO debate wide open ...

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 ...

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

The trip had all the makings of a boring car ride—until the couple saw mysterious lights approaching from the sky.

The White House launched a website teasing new information on extraterrestrials this week, but it actually delivers immigrant arrest data.

Steven Spielberg’s Disclosure Day effortlessly weaves real-world legends and UFO mythology into a seamless narrative.