From the '80s horror film The Thing to the modern masterpiece Project Hail Mary, these are the greatest sci-fi movies that feature aliens.

Daniel is a 27-year-old List Writer for Collider living in the south suburbs of Chicago, Illinois. As an avid film buff, he watches and analyzes many films and TV shows, especially in the horror genre ...

Sci-fi has plenty of classics, but few can match Alien. Hollywood tried to recreate its success, and most movies fell short.

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