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

Olivia Wilde, Seth Rogen, Penelope Cruz and Ed Norton star in this hilariously sharp portrait of marital dysfunction.

With Jason Momoa’s incredible career and renewed interest in the franchise, Stargate Atlantis is finally receiving the ...

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

Beyond the Black Rainbow, Psycho Goreman, and The Endless are all among the best sci-fi horror movies of the last 20 years ...

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

Some creative calculations using bug traps, epidemiology and trees suggest there are some 20 million unique insect species on ...