The Terminator, The Fly, Aliens, Blade Runner, Akira, and more make up our list of the best hard sci-fi movies of the '80s.

Deep within Uranus and Neptune, immense pressure and heat are transforming carbon into diamonds that rain down through the ...

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

From Super Mario Bros. to Judge Dredd, these infamous '90s sci-fi disasters prove big concepts can still crash hard.

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

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...