From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

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

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 ...

In the last year, the subject of little green (or gray) men has been discussed endlessly by high-profile television hosts and podcasters, including astrophysicist Neal deGrasse Tyson, political ...

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

Astrophysicist Neil deGrasse Tyson speaks with CNN’s Dana Bash about "never-before-seen files" on UFOs released by the FBI and the Pentagon last week. "Given the testimonies we have heard delivered in ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Just over a week after the release of the Department of Defense’s first ...

An ex-CIA 'psychic spy' has claimed that four mountains on three continents are hiding secret alien bases and UFO facilities, revealing alleged details of the sites during a recent appearance on the ...

That little alien emoji staring back from your phone, with its smooth, bulbous head and almond-shaped black eyes, has ...