In space, no one can hear you scream. But in the best space horror movies of all time, there's plenty of audible screaming ...

Aliens make for good sci-fi film fodder, but sometimes, they can also terrify audiences in horror films. These are the best horror movies about aliens.

Nothing is as it seems in the Alien universe — including its fictional timeline. For over 40 years, the Xenomorph has terrorized audiences with seven films, two Alien vs. Predator crossover movies and ...