Some of the best sci-fi movies of all time were given R-ratings in America, including classics like Blade Runner, The ...

Sci-fi concepts are exciting enough on their own, but things get more interesting when strong language, gore, sexual content, and nudity are added into the concoction. Think of Under the Skin or ...

These four classic sci-fi movies from the 1970s would be perfect to reboot using modern technology and special effects.