Pachycephalosaurus wyomingensis was the largest of the pachycephalosaurids—"thick-headed dinosaurs"—which featured extremely thick skullcaps. The top of a Pachycephalosaurus skull could be 9 ...

Pachycephalosaurus heads only reached total lengths of two feet or so. In case you’re curious, human men and women have an average skull thickness of 6.5 and 7.1 millimeters, respectively. 2.

Pachycephalosaurus, the delicately built, 15-foot-long, dome-headed dinosaur that lived alongside Tyrannosaurus and Triceratops, is a staple of children’s books and popular culture—one usually ...

Partway down the list of household dinosaur names, you may know the pachycephalosaurus. Even if you don’t recognize that formality, the dome-shaped head of this creature is notorious, much thanks to ...

The thick-skulled dinosaurs look as if they were perfectly suited to cracking heads, much like modern bighorn sheep do, but whether or not dinosaurs like Pachycephalosaurus really knocked noggins ...

Late last year paleontologists Jack Horner and Mark Goodwin made waves by proposing that what had previously been thought to be two distinct genera of "bone-headed" dinosaurs—Stygimoloch and ...