Most of the horned dinosaurs evolved even stronger jaw and biting muscles behind eye sockets.

Today, the name is used as little more than a historical curiosity, as it dates from a time before horned dinosaurs were known to exist.

The earliest horned dinosaurs were quite small and got about on two legs.

What were the crests of horned dinosaurs used for?

The Ceratopsia are the horned dinosaurs of the order Ornithischia.

It was a member of the Protoceratopsidae, a group of early horned dinosaurs.

Up in Alberta, there's a fossil bed with hundreds of horned dinosaurs drowned or trampled crossing a river.

Rick counted at least seven different species of horned dinosaurs among the teeming thousands.

Styracosaurus and other horned dinosaurs are often depicted in popular culture as herd animals.

Their function has been the subject of debate since the first horned dinosaurs were discovered.