The 1970s were a golden age for cinema of the extraterrestrial variety. Ridley Scott's "Alien" turned the Xenomorph loose on a spaceship, while George Lucas' "Star Wars" introduced us to Wookies and ...

The alien invasion storyline is one of the classic and most reliable premises in sci-fi history. It's an easy way to introduce a potential threat to humanity and explore the idea of confronting the ...

Add Yahoo as a preferred source to see more of our stories on Google. Some of the greatest sci-fi movies of all time revolve around humans in a desperate struggle for survival. Sometimes we're ...