Anyone who has ever flipped open a dinosaur book is likely familiar with pachycephalosaurs. These dome-headed dinos are often depicted ramming the tops of their bowling-ball-like skulls into predators ...

Best Fossil of a Dome-Headed Dinosaur Is Unearthed in Mongolia By Will Dunham (Reuters) -Pachycephalosaurs, two-legged plant eaters known for their bony dome-shaped skulls, are among the quirkiest ...