These wildly different films explore the wondrous, and sometimes terrifying possibilities of contacting extra-terrestrial life.

As the peerless "Aliens" turns 40, here are 26 reasons it's still the greatest sci-fi action movie of all time.

Steven Spielberg once again made a movie that focuses on aliens coming to Earth, so it's probably worth watching some other great alien invasion films.

The existence of aliens is becoming more science fact and less science fiction by the day. And yet, despite the encroaching revelation that we are definitely not alone in the universe, Hollywood and ...