A rare fossilized tooth suggested that horned dinosaurs reached eastern North America. It was believed that no horned dinosaurs reached the other half of the continent when it was split into two by a seaway.
A complete dinosaur skeleton of a baby Chasmosaurus has revealed some interesting characteristics of horned dinosaurs, which are characterized by a large bony appendage known as a frill.
Dinosaurs had a banner year in 2015. Several new species were unearthed, each revealing some interesting characteristics of these fascinating prehistoric creatures.
Scientists have discovered a new member of the Ceratopsia dinosaur family, but it lacked horns and was the size of a small dog.