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

Steven Spielberg's Disclosure Day is the latest movie to tackle the subject of first contact, but these masterpieces understood the idea much better.

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...