Researchers at the University of Calgary have used bones, CT scans and computer simulations to settle the argument as to which animal -- living or dead -- would win ...

A domed-head dinosaur may have been the king of the head butt, with a better skull than any modern noggin-knocker for protecting its brain during such attacks. Scientists investigated a two-legged ...

Sebastian Bergmann, Wikimedia Commons // CC BY-SA 2.0 Thanks to its similar-sounding name, today’s dino will always get mixed up with the spiky-tailed, crowd-pleasing Stegosaurus. If you caught these ...

The thick, dome-shaped skulls of the pachychephalosaurs immediately raise the question, “What were those things for?” Like many other bizarre structures sported by dinosaurs—from crests to sails to ...

Of all the dinosaurs that roamed prehistoric Alberta, this plant eater has earned a particular reputation for being a real butthead. As part of the summer-long series Backyard Dinosaurs — which will ...

Researchers surveyed the heads of a large number of modern animals as well as one of the world's best dinosaur fossils and they found that the bony anatomy of some pachycephalosaur domes are better at ...

The history of pachycephalosaurs is mostly a story of domes. Even though some skeletons have been uncovered over the years, the most commonly-found part of these bipedal Cretaceous herbivores is the ...

Nearly a century ago, while working in the 75 million year old rock of Alberta, Canada, the professional fossil-hunter George Sternberg found a stunning skeleton. The remains belonged to a ...

It's a question we've all asked ourselves, watching nature “red in tooth and claw”: Which animal, in all evolution's bounty, would win in a head-butting fight? We don't have to wonder anymore. In a ...

Llamas can't really manage it. Giraffes aren't very good at it and while big horn sheep and muskox excel at it, it turns out a small plant eating dinosaur – the pachycephalosaur Stegoceras validum – ...