Fans first think of Superman as a superhero film, which it is, but it is also a sci-fi movie and therefore eligible for this list. Donner’s film served as the blueprint for the ...

Some sci-fi movies get even better with time, offering mind-blowing spectacle or new storytelling layers with each rewatch.

With each passing moment, the stakes grow higher and the consequences more dire in this unforgettable Star Trek battle.

Looking to stream some sci-fi? Here are three great science fiction movies you can watch for free on Tubi, all of which come highly recommended by critics.