The "Alien" franchise is an undeniable classic — a staple of the sci-fi/horror genre. The series features humans fighting for their lives as they're pitted against killer aliens with acidic blood.

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

Contains spoilers for "Disclosure Day" Aliens have always been a topic of interest for Steven Spielberg. His earlier 1977 film "Close Encounters of the Third Kind" approached the subject with a sense ...

We may receive a commission on purchases made from links. Ever since H.G. Wells released "War of the Worlds" in 1898, popular culture has been fascinated by alien invasion stories. For over a century, ...