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 fighting time-traveling robots or out-of-control plagues.

The best alien invasion movies feature the most exhilarating stories about extraterrestrial visitors, from War of the Worlds to Annihilation.

Watch the Alien franchise in order with our comprehensive list, from the 1979 original to Alien: Earth, and including the Alien vs. Predator crossovers. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The second installment in the Alien film franchise, 1986's Aliens, has been continuously acclaimed by critics and praised by audiences. "It was all hydraulics and puppetry. There were two guys inside the alien queen, in the body operating the arms," said ...

When director Ridley Scott introduced audiences to the Nostromo in 1979’s Alien, he created one of the most enduring horror and sci-fi franchises by merging the cold isolation of deep space with the psycho-sexual artistry of H.R. Giger. The original ...