Sci-fi movies often build on great ideas to deliver fun lore, and some lore is even more engaging than others.

Movies about disasters—natural or human-made—have been produced since the earliest days of film. As early as 1916, a disaster with an extraterrestrial cause was touted in The End of the World, a Danish film about a passing comet causing chaos and ...

Spielberg and ET looking at each other - Aaron Rapoport/Getty Images Steven Spielberg might be best known for "Jaws" and "Jurassic Park", but it's aliens where Spielberg seems to keep returning. Despite a huge roster of movies, "E.T". and "Close Encounters ...