Quite a bit of movie magic made "Alien" the sci-fi horror classic it is -- but one of its biggest challenges was solved with a simple low-tech tactic.

The first episode opens with a familiar scenario. We witness a research ship in deep space carrying unknown alien organisms suddenly having an outbreak, with the aliens killing most of the crew. But ...

Interstellar, Alien, and Back to the Future are all among the all-time greatest sci-fi movies that deliver everything you ...