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

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

Steven Spielberg might be best known for "Jaws" and "Jurassic Park", but it's aliens where Spielberg seems to keep returning. Despite a huge roster of movies, "E.T". and "Close Encounters of the Third ...

Steven Spielberg knows aliens. Though he hasn't made as many UFO-centric movies as you might assume (he's made more movies about WWII than he has about extraterrestrials), the director behind Close ...

The Alien franchise may be host (a charged word around these parts) to some of the best sci-fi movies of all time, but it's still suffers from something many long-running film series do: an ...