A new, giant-horned species of dinosaur was discovered that researchers said is the "largest and most ornate" of its kind ever found, according to a study published Thursday in the journal PeerJ.

A new dome-headed dinosaur speices found in Montana, Brontotholus harmoni, reveals unexpected clues about their evolution.

A small dinosaur discovered, Pulaosaurus qinglong, had seeds in its stomach and a “vocal box,” revealing how dinosaurs might ...

June 20 (UPI) --American scientists announced Thursday the discovery of a new species of horned dinosaur which at 11,000 pounds and 22 feet long is the largest centrosaurine ever found in North ...