From Resurrection to Romulus, here's the perfect viewing guide for the perfect organism

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.

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 nightmares. Over the years, the franchise has spawned a ...