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, ...

The big twist in Alien: Covenant is the revelation that a character from Prometheus, Mr. Weyland’s first android prototype, “David” (Michael Fassbender), not only survived the first film, but ...