Pixar's sci-fi adventure "Elio" may technically be 'original' but it borrows a lot from classic sci-fi kids films.

The sci-fi movie to end all sci-fi movies, this Stanley Kubrick film is relatively light on gore but heavy on suspense. ... The original Star Wars trilogy is classic, genre-defining sci-fi.

Enter this 11-year-old sci-fi movie starring Scarlet Johansson and Morgan Freeman. Yes, that’s right, we’re talking about the 2014 film Lucy.

On of the '90s best sci-fi films has a particular moment of movie magic that both fans and experts are still trying to explain.

But the high-concept is only part of what makes Back to the Future a classic. Where other sci-fi movies will hinge everything on an intergalactic conquest or saving entire worlds, Back to the ...