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

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

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

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

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

In a new paper, researchers examine the possibility of other consciousnesses that take on forms far beyond our imagination.

In the book version of “Project Hail Mary,” author Andy Weir, known for grounding his fiction in plausible science, describes ...

When people think of Gene Roddenberry, they usually think of Star Trek, which is understandable considering that the ...

Consciousness may arise in systems far different than the biology on Earth we are used to, according to University of California, Riverside (UCR) researchers, who argue that many forms of conscious ...

Left to Right: Steven Yeun in "Nope," the alien in Steven Spielberg's "E.T." and Scarlett Johansson in "Under the Skin" (Universal Pictures / A24) It didn’t take long for stories about ...

The story behind the grainy footage of a dummy filled with butcher’s off-cuts is an extraordinarily eccentric and knotty joy – with the hoaxers resembling Scooby-Doo baddies You will, no doubt, be ...

Half a century after "Close Encounters of the Third Kind," the director returns to the subject of UFOs with "Disclosure Day." His science fiction films are informed by his fascination with alien encou ...