Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures ...

The most beloved beings from strange new worlds.

It's not just iconic characters like Kirk, Spock, and Janeway that have made "Star Trek" one of the best science fiction franchises of all time. It's also its memorable alien races like the Klingons, ...

Sigourney Weaver remains wary of xenomorphs after battling them in four Alien movies. The Avatar star told Collider that she's enjoying FX's Alien: Earth — Noah Hawley's TV spinoff of the sci-fi ...