About 500 million years ago, not a single creature had a skull. Over time, these bony plates evolved into the structural marvels that vertebrates—animals with spinal cords, aka you, me, and your pug, ...

Though it sounds like a schlocky concept, the Alien vs. Predator franchise has proven enduring in pop culture. The concept of two major 20th Century Fox killer aliens (the Predator and the Xenomorph) ...