Now extinct, plesiosaurs were predatory creatures that haunted the deep seas.
Fossilized animal poop provides a key to unlocking the mysteries surrounding the lives of extinct and elusive animals.
The Velociraptor wasn't nearly as big and scary as in the movie Jurassic Park, but it was just as deadly.
Pretty much everyone has heard of T. rex, but there's still a lot to learn about the king of the dinosaurs.
Lizards don't really breathe and walk at the same time. Does this mean that dinosaurs couldn't either?
Monster madness starts at the age of 3, when a child's imagination starts to run wild.
Scientists have been finding swarms of jellyfish, called blooms, all over the world.
Is there still such a thing as a plesiosaur? What do we know about them?
Scientists are using bone histology to sort things out. They've already concluded that Stygimoloch, was a juvenile Pachycephalosaurus, not a new species.
At six feet in length, this two legged plant eater was about the size of a large dog with a strange domed head.