Mankind encountering forces beyond their understanding has long been a great playground for horror, as exemplified by these big screen cosmic terrors.

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.

Ryan Heffernan is a Senior Writer at Collider. Storytelling has been one of his interests since an early age, with his appreciation for film and television becoming a particular interest of his during ...