When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Antarctica’s biggest secrets are not alien bases or hidden bunkers, but a buried world scientists are only beginning to map.

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

Starfleet encounters​​​. Whether it's the warlike Klingons, the logic-seeking Vulcans, or the alluring Orions, the Star Trek ...

A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

Disclosure Day has plenty of UFOs and extraterrestrial species but very little of the human insights found in the filmmaker’s ...

The Marvel Universe has a rich history, with some of its secrets taking ages before their truth was discovered.

A lot of the alien races in the Star Trek universe are humanoid, and the original series explained that fact way back in the ...

The only Star Trek race more popular than the Vulcans are Klingons. These five characters showcase the best reasons why these hot-blooded warriors are beloved.

A deadly alien virus sparks a desperate mission across the galaxy in this action-packed sci-fi sequel where humanity hangs in the balance.