Dinosaurs

THINGS

Dinosaurs are a diverse group of reptiles of the evolutionary category (clade) Dinosauria that first appeared during the late Triassic period (approximately 250 million years ago). Dinosaurs dominated Earth for nearly 200 million years. Though...

PLACES

Brazil’s Valley of the Dinosaurs in Paraíba state is best known for its extensive fossilized dinosaur tracks. But a recent archaeological find revealed prehistoric human artwork.

THINGS

300 million years ago, the conditions on Earth allowed insects and other arthropods to get bigger than they’ve ever been, before or since.

EDITORIAL

Richard Owen created the word "Dinosaur." He was also one of the most unfriendly, unpleasant, and malicious people who ever lived.

EDITORIAL

Think you know what dinosaurs looked like? Think again—the strange saga of Deinocheirus shows just how in the dark we really are.

EDITORIAL

How exactly did a single asteroid strike cause the dinosaurs to go completely extinct? Let's go back to that day and find out.



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