Click through for the slideshow of every Xenomorph and alien from the Alien movies! Spoilers follow for all the films aside from Alien: Covenant. EGG: Let's start with the basic life cycle of the ...

The Xenomorphs are arguably the greatest movie monsters of all time; a petrifying bundle of invasive parasites, weaponized jaws, and dangerously acidic blood. When director Ridley Scott teamed up with ...