Herbivore dinosaurs only ate plants. They usually lived in forests with lots of greenery. Carnivores, like the Tyrannosaurus ...

From fun facts to statistical measurements, discover all there is to know about the Triceratops in the PBS series, "Walking With Dinosaurs." ...

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.