50 Chilling UFO Movies Not For The Faint Of Heart

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Movies about aliens, UFOs, and extraterrestrial lifeforms are inherently engrossing. Science fiction allows us to explore ourselves while looking to the stars. In some films outer space is full of wonder and whimsy, but there are just as many sci-fi movies about aliens and their majestic crafts that are absolutely terrifying.

The following movies about alien life and their trips to Earth are full of UFOs of all kinds, from flying saucers to swamp gas, and even a couple of pieces of space debris thrown in for fun. Which is your favorite UFO? Sound off in the comments!