Triceratops lived at the end of the Cretaceous period, between 67 million and 65 million years ago. ... Related: Tyrannosaurus rex: Facts and photos of the dinosaur king.

T-Rex and Triceratops were two incredibly powerful dinosaurs that roamed the Earth together some 65 to 68 million years ago. The T-rex is often considered one of the most terrifying carnivores to ever ...

These defenses made Triceratops one of the most successful dinosaur species of all time. In fact, at the dig site in this episode of “Walking with Dinosaurs,” 40% of all the discovered fossils ...

A newly discovered relative of Triceratops had a unique array of head ornaments, including the largest frill horns ever seen on a horned dinosaur.. The fossil remains of the dinosaur were found in ...