Footage captured underwater off Scotland's west coast in the U.K. seemed to show a worm suddenly breaking apart into multiple organisms — and other Reddit users tried to decipher the strange scene.

From killer alien machines and goo-filled giant bugs to psycho AI dolls and Godzilla, don't count Netflix out for sci-fi.

I am excited and energised by it all, but also at the point of slightly delirious fatigue (not helped by the Gamescom flu ...

Enceladus looks like a dead frozen moon from a distance, with daytime temperatures plunging to around -200°C. But NASA's Cassini mission found something radically different at its south pole - four ...

Lanterns' Episode 5 blows up Rushville as Hal Jordan and John Stewart discover how much they're willing to sacrifice for one ...

More to the point of the Lanterns of it all, Hal flies, manifests multiple force bubbles and shields, hurls an exploding ...

It's blackest night as Lanterns takes an unsuccessful dark turn.

Na Hong-jin ’s Hope is one hell of a bonkers sci-fi action movie, and while it certainly has its issues, I had an absolute ...

Confused by Hope's ending? Here's what J'aur and Ma'veyyo mean, why the aliens are victims, and why Na Hong-jin thinks the ...

The marines sent in Fireteam Banshee, an elite squad, to contain the situation. They’ve all gone missing. Your Marine has been transferred to the Endeavor to bring them home and figure out what the ...

Jin's adrenaline-fueled alien misadventure, starring Hoyeon, Michael Fassbender, and Alicia Vikander, hits theaters on ...

Researchers want to explore the idea that microscopic particles shed by alien civilizations have accumulated on the lunar surface, making it an archive of extraterrestrial technology. By Becky ...