Often spawned from some of the most horrifying "Star Trek" stories, these upsetting alien races are more than just scary.

Photo Illustration by Thomas Levinson/The Daily Beast/Getty/FX The nightmarish xenomorph, with its piston-like inner jaw and blood that could melt your face off, might be the “perfect organism” as ...

One of the most famous tag lines in cinema history came from Ridley Scott’s original Alien from 1979. It went “In space, no one can hear you scream.” This tagline has been mimicked and parodied ...

Sigourney Weaver said she only watches Alien: Earth with her husband because she's too scared to "see it by myself." The actress, who played Ellen Ripley in four Alien movies, said the FX series is ...