It's a big universe out there, and while we're all for exploring it, a specific subgenre of science fiction movies has hinted that it might be a bad idea. Alien invasion movies have come in droves ...

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 ...