Dinosaurs are a diverse group of reptiles [note 1] of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago (mya), although the …

Over a thousand dinosaur species once roamed the Earth. Learn which ones were the largest and the smallest, what dinosaurs ate and how they behaved, as well as surprising facts about their ...

3 days ago · Dinosaur, the common name given to a group of reptiles, often very large, that first appeared roughly 245 million years ago and thrived worldwide for nearly 180 million years.

Get to know the different types of these reptiles that dominated the Earth before mammals here. Classification based on alphabets: Since there is no way to confirm and classify all the …

Sep 21, 2025 · Step back in time to when prehistoric giants ruled the Earth with the return of Dinosaur Discovery. Encounter 26 life-sized animatronic dinosaurs as the Habitat Discovery …

Scientists estimate over a thousand dinosaur species once roamed Earth. Learn which ones were the largest and the smallest, what dinosaurs ate and how they behaved, as well as surprising …

Delve into these fast facts about dinosaurs for kids of all ages. Discover why the Tyrannosaurus had sharp teeth, where the name “dinosaur” comes from, and more! Dinosaurs are a group of …

1 day ago · The Dinosaurs of North America Were Thriving Up Until an Asteroid Wiped Them Off the Face of the Earth, Scientists Argue A new study of dinosaur biodiversity challenges the …

4 days ago · Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed flourishing communities.

17 hours ago · A new dome-headed dinosaur species was discovered in Montana, a study released this month shows. Researchers discovered the fossils of Brontotholus harmoni, a …