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. …

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 ...

Dinosaurs have fascinated kids and adults alike since the very beginning of the discovery of their existence. Their habits, characteristics, and even their appearance are still a mystery, which …

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 …

May 2, 2024 · From raptors to tyrannosaurs and sauropods to ornithopods, this list includes more than 700 dinosaurs that lived during the Triassic, Jurassic, and Cretaceous periods.

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

Dinosaurs have long captured our imagination as reptilian creatures with menacing teeth, claws, spikes, and hammering, bony bulbs. They roamed Earth roughly 175 million years ago, and …

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

Dinosaurs and fossils tell the story of life on Earth over millions of years. From towering skeletons like the Nation’s T. Rex to tiny fossilized plants and insects, these ancient remains help us …

Explore the incredible world of dinosaurs through fascinating facts, amazing art, and the latest science. Ali and Sean travel back 80 million years to check out Tylosaurus, a prehistoric reptile...