Do birds have teeth? Not anymore, but they once did, when they were more similar to dinosaurs.
Dragon myths were inspired by dinosaur fossils and oversized reptiles.
What prehistoric reptile had a knobby head, body armor, and walked on all fours like a cow?
Archaeologists discover dinosaur feathers preserved in amber, confirming once and for all feathery dino theories.
Now extinct, plesiosaurs were predatory creatures that haunted the deep seas.
Long-necked creatures like giraffes have special hearts, arteries and vessels to keep healthy blood flow to and from the brain, despite their long journey.
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?