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 ...

While this is one of the most famous dinosaurs, you may still be surprised by these interesting Triceratops facts. In This Article Despite the name, Tricerotops technically had only two true bony ...

Take this quiz to find out your "dinosaur IQ" and check out CNN Films' "Dinosaur 13" Thursday, December 11 at 9p ET. Loading ...

There was definitely a mass extinction event 65 million years ago (probably related to a giant asteroid that smashed into Mexico's Yucatán Peninsula), and it did spell the end for most dinosaur ...

Ornithischians were one of the two major groups of dinosaurs and included such familiar species as the armor-plated Stegosaurus and Ankylosaurus and the three-horned Triceratops. Lesothosaurus was ...

Discover facts, figures and images for more than 300 dinosaurs ... Uncover what dinosaurs have been found in your country and how big they were. Learn the meaning of dinosaur names and how to say them ...

The bones of Big John were discovered in modern-day South Dakota in 2014 The fossilised remains of Big John, the largest triceratops dinosaur ever found, have been sold at an auction in the French ...