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Animals | Extinct Animals | Dinosaurs

It isn't hard to imagine the world full of dinosaurs, even though these extinct animals haven't walked the earth for millions of years. Learn all about dinosaurs, including early dinosaur discoveries, dinosaur fossils, and dinosaur extinction.

About Dinosaurs

About Dinosaurs

It isn't hard to imagine the world full of dinosaurs, even though these extinct animals haven't walked the earth for millions of years. Learn all about dinosaurs, including early dinosaur discoveries, dinosaur fossils, and dinosaur extinction. See more »

Early Triassic & Jurassic Dinosaurs

Early Triassic & Jurassic Dinosaurs

The Triassic and Early Jurassic periods were the time periods in which dinosaurs first appeared. Learn more about the Triassic and Early Jurassic dinosaurs, such as the Lufengosaurus, Massospondylus, and Scutellosaurus. See more »

Middle & Late Jurassic Dinosaurs

Middle & Late Jurassic Dinosaurs

The Middle and Late Jurassic Periods were a time in which the dinosaurs took over the world. Learn more about the Middle and Late Jurassic dinosaurs, including the Yangchuanosaurus, Megalosaurus, and Archaepteryx. See more »

Early Cretaceous Dinosaurs

Early Cretaceous Dinosaurs

The Early Cretaceous Period was a time in which the Earth was undergoing a process of change. Learn more about some common and not so common Early Cretaceous dinosaurs, including the Iguanodon, Muttaburrasaurus, and Sauropelta. See more »

Late Cretaceous Dinosaurs

Late Cretaceous Dinosaurs

A period of great transformation, the Late Cretaceous Period is when the dinosaurs disappeared from the earth. Learn more about the Late Cretaceous dinosaurs that existed during this era, such as the Tyrannosaurus, Gallimimus, and Brachylophosaurus. See more »