Add Yahoo as a preferred source to see more of our stories on Google. In this artist's reconstruction, two pachycephalosaurs from the new species Zavacephale rinpoche spar, engaging in head-butting ...

For decades there’s been a long running debate in the paleontological community about whether the thick-skulled pachycephalosaurs used their immense noggins for head-butting, flank-butting, or peacock ...

Reaching 15 million years further into the past, this specimen achieves the earliest record of dome-headed evolution. A 1-meter length constraint exposes the inaccuracy of historical size depictions ...

Paleontologists have found the fossilized remains of the oldest dome-headed dinosaur ever discovered. The skeleton, found in the Khuren Dukh locality of the Eastern Gobi Basin in Mongolia, belongs to ...

Fossilized skulls of dome-headed dinosaurs retain signs of injuries from violent head butting or head shoving, according to a presentation today at the Society of Vertebrate Paleontology's 72nd Annual ...

Scientists have unearthed in Mongolia the oldest and most complete fossil of a pachycephalosaur, a group of dinosaurs known for their dome-shaped skulls, according to a new study published Wednesday ...

Fossilized skulls of dome-headed dinosaurs retain signs of injuries from violent head butting or head shoving, according to a presentation today at the Society of Vertebrate Paleontology's 72nd Annual ...