Like witches, vampires, and zombies, ghosts can be scary as hell. But there is something about the stories of lingering dead spirits that can be both awe-inspiring and spooky at once. The often ...

Having your own built-in battle gear would probably have come in quite handy if you were a dinosaur. Ankylosaurs had just that! Their tough armour included plates, nodules and, for some, even a club ...