We may receive a commission on purchases made from links. Are we alone in the universe? It's a huge question with no easy answer. And, following on from that, if we aren't alone, what would beings ...

The sci-fi genre has been home to some incredible movies about war -- usually with invaders from space -- and these five are ...

Underrated efforts like Moon and straight-up masterpieces like Children of Men are among the sci-fi movies from the 2000s that have aged the best.

Add Yahoo as a preferred source to see more of our stories on Google. Whenever an older movie on streaming starts with a disclaimer stating, “The content you are about to view features depictions that ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.