Scientists still debate the purpose of this dinosaur's iconic horns and spiky ... was a head frill made of bone and studded with small spikes called epoccipitals.

The top of a Pachycephalosaurus skull could be 9 inches (23 centimeters) thick, and much of the skull and the snout were also covered by small bony knobs and spikes. The dinosaur's distinctive ...

Only the bony spikes remained on other fossils from armored dinosaurs. This is because keratin — the dead cells that make up structures like hair and fingernails — doesn't fossilize well.

A GIANT two-legged dinosaur that dwarfed the T-rex stomped ... Saurolophus would have had a spike-like crest that projected up and back from its skull. And although it was capable of walking ...

The dinosaur had some of the tell-tale features of the “ostrich ... It's a new species →Creature with spike-covered genitalia found 'ambushing' in Thailand. See new species →Diver spots 'large'-eyed ...

This massive footprint is believed to belong to a giant Saurolophus, a duck-billed dinosaur estimated to exceed 15 meters in length. This would make it larger than even famous predators like ...

Borealopelta’s massive shoulder spikes could have acted like a bull ... it must have had some terrifying predators indeed. The terrifying dinosaur of the day, 110 million years ago, was ...

First you want to cut out the two dinosaur heads and two tails. You will also want to cut out 4 spikes. These can be the same ...