Armored dinosaurs like Stegosaurus and Ankylosaurus were mostly big, bulky animals that walked on four legs, but paleontologists have now discovered a bizarre relative the size of a dog that ...

Maybe you imagine large armored dinosaurs like Ankylosaurus or Stegosaurus. But for Jingmai O'Connor, the dinosaurs she studies – look a lot more like birds.

What they found — If you have never heard of an ankylosaurus, you are not alone. But in truth, the dinosaur is a cousin of a more infamous species, the stegosaurus .

Ornithischians were one of the two major groups of dinosaurs and included such familiar species as the armor-plated Stegosaurus and Ankylosaurus and the three-horned Triceratops. Lesothosaurus ...

New Fossil Finds Track When Armored Dinosaurs Spread Around the World Discoveries in Asia and Africa are rewriting the backstory of dinosaurs like Stegosaurus ...