Add Yahoo as a preferred source to see more of our stories on Google. While the buzzy sci-fi series is science fiction (obviously), Dr. Sward says there's plenty of real science peppered throughout.

Undoubtedly, Xenomorphs are still one of the freakiest monsters ever to be released on big screens. The biomechanical design, the green acid blood, and a never-ending hunger for blood still give fans ...

Editor's note: The below contains major spoilers for the Alien: Earth finale. The first two Alien films are among the most terrifying sci-fi horror movies ever made, but then the franchise lost its ...