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.

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Determining the biggest dinosaur is a tricky process. Dinosaurs are extinct, so scientists can't simply go out and measure the world's biggest dinosaurs.

By Sascha Bos

Someone just paid $2.36 million to take home an exquisite dinosaur skeleton. The sale has added to the growing scientific anxiety about the commodification of precious, irreplaceable fossils.

By Mark Mancini

Scientists generally agree that dinosaurs sported colorful, feather-like plumage. So do moviemakers lack imagination, or do audiences?

By Chris Opfer

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Dinosaurs became extinct at the end of the Cretaceous Period. How and why is a puzzle that paleontologists are trying to solve by studying fossils and rock formations. Learn more about the different extinction theories.

By the Editors of Publications International, Ltd.

Interest in dinosaurs soared to new heights in the 1990s, thanks largely to the blockbuster film Jurassic Park. So too did dinosaur discoveries. Since 1990, more than 100 new dinosaur genera have been described and named. Learn more about recent dinosaur discoveries.

By the Editors of Publications International, Ltd.

Types of dinosaurs include the lizard-hipped dinosaurs and the bird-hipped divisions of dinosaurs. Both of these types of dinosaurs probably shared a common ancestor during the Middle Triassic. How else are these dinosaurs related?

It isn't hard to imagine this scene even though dinosaurs haven't walked the earth for millions of years. Dinosaurs have captured our imaginations. These dinosaur articles have been written to lead you into the exciting world of dinosaur research and back to the "Age of Dinosaurs."

By the Editors of Publications International, Ltd.