Scientists still debate the purpose of this dinosaur's iconic horns and spiky head plate. Find out what we’ve learned about how Triceratops lived and why it went extinct. Triceratops’ enormous ...

Triceratops had powerful jaws and teeth that were elongated blades, suitable for shearing tough vegetation. Triceratops is the official state dinosaur of Wyoming. Wyoming is the only state that has ...

Image credit: (above) Struthiomimus and Triceratops, Douglas Henderson, pastel on paper, 1999. From the children's book, Asteroid Impact, 2000.

Tyrannosaurus rex was one of the most ferocious predators to ever walk the Earth. With a massive body, sharp teeth, and jaws so powerful they could crush a car, this famous carnivore dominated the ...

That resident was, of course, the fossil skull of a Triceratops dinosaur that had sat on display at the University of Colorado Museum of Natural History for decades. In May, a team from the ...