These wildly different films explore the wondrous, and sometimes terrifying possibilities of contacting extra-terrestrial life.

Plenty of alien invasion movies have become box office hits and certified classics, but here are some forgotten alien ...

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.

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 ...