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In China's Gobi desert, paleontologists are uncovering pits of dinosaur fossils stacked five deep. What happened here? Learn more through videos and games from the National Geographic Channel.
Students play paleontologist in Design-a-Saurus, a unique activity that puts their creative skills to the test as they imagine, sketch, and name a real or fictitious dinosaur. (PDF Help)
The Cretaceous period was the heyday of the dinosaurs, when Tyrannosaurus and Triceratops thrived. But when the Cretaceous ended, the Age of Dinosaurs was over.