Birds are avian dinosaurs, and phylogenetic taxonomy includes over 11,000 extant species in the group Dinosauria. Dinosaurs are a diverse group of reptiles [note 1] of the clade Dinosauria. They first …

Dinosaurs became extinct around 65 million years back, when the Cretaceous Period ended. They had lived on this Earth for over 165 million years before extinction.

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 ...

Find out facts about dinosaurs, including Diplodocus and Stegosaurus, and uncover what science is revealing about the appearance and lives of these prehistoric animals.

Oct 27, 2009 · Dinosaurs can reveal fascinating details of how life was 65 million years ago. But unearthing them can prove to be challenging.

Nov 11, 2025 · Dinosaurs are a diverse group of reptiles that were the dominant terrestrial life form on Earth during the Mesozoic Era, about 245 million years ago. Dinosaurs went into decline near the …

Discover fascinating facts and immerse yourself in the prehistoric era. Walk alongside the dinosaurs through our latest clips, articles, stories, and more.

Jun 21, 2023 · The history of dinosaurs spans millions of years. Learn about the different periods of the dinosaur timeline, from the Triassic to the Cretaceous, and explore the fascinating world of these …

Learn about dinosaurs at the Museum: facts, photos, games for kids, lesson plans for educators, and more.

Jun 6, 2024 · Complete guide to dinosaurs, with list of dinosaurs from each period. Dinosaur evolution, extinction, types, plus interesting facts.