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Predator, Aliens, and Starship Troopers are all among the very best sci-fi action movies that memorably pit soldiers against ...

Originally conceived in the 1980s as a high-concept sci-fi film of ideas crossed with a police procedural, 1995's Species ...

Science fiction often takes audiences across the galaxy, seeing unknown worlds and creatures. It's typically a way to escape from reality and see something amazing — until the extraterrestrials invade ...