John Carpenter delivered a masterclass in mixing sci-fi concepts with growing paranoia in The Thing.

The 1982 cult classic grounds its sci-fi roots with tense, bone-chilling terror.

One of the very first narrative films, Georges Méliès's "A Trip to the Moon," is about aliens. Sure, everyone remembers that shot of a rocket ship crashing into the eye of the man in the moon, but as ...

Save for the Predator franchise's Yautja and Alien's Xenomorphs, these are the coolest extraterrestrials to ever grace cinema history.