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 ...

Of all the science fiction movies out there, few have created a monster as iconic and frightening to behold as director Ridley Scott's 1979 classic "Alien." The film's groundbreaking special effects ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Sydney Chandler as Wendy in ...

Aliens is more influential than Alien, introducing the Colonial Marines, the Queen, and upping the Xenomorph threat level.