Dr. Hal Puthoff claims the U.S. has recovered remains of four separate species of alien life from UFOs, citing people involved in the recoveries.

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

The US has recovered four distinct species of extraterrestrial life from crashed UFOs, a former CIA-funded government researcher sensationally claimed this week.

MORE: I'm a pastor who attended a secret UFO disclosure meeting. We saw images of 'translucent beings' that chilled me to the bone A former CIA scientist has claimed that there are several alien ...

For decades now, UFO stories have mostly involved blurry lights in the sky, shaky footage shot on potato phones and men called Del insisting they’d seen something strange from their truck on the drive ...

An Arkansas resident recounts his extraordinary encounters with UFOs and humanoid beings resembling 'grey aliens', ...

Add Yahoo as a preferred source to see more of our stories on Google. In the last year, the subject of little green (or gray) men has been discussed endlessly by high-profile television hosts and ...

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

Lawmakers called on the White House to grant immunity to whistleblowers who come forward with UFO information.

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 ...

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 ...

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