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 exact origin and …

Quick facts about dinosaurs for kids and grown-ups! Find out what dinosaurs ate, how they may have behaved, what they may have looked like, and more.

Mar 1, 2026 · 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.

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

Mar 13, 2017 · Explore the world's most exciting prehistoric creatures with our fun dinosaur facts, ranging from the carnivorous T-rex to the stubby-legged ankylosaur.

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

Sep 26, 2024 · 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 …

Mar 6, 2026 · Here are ten scientifically grounded facts about dinosaurs that continue to astonish researchers and ignite the imagination. 1. Dinosaurs Lived on Earth for Over 160 Million Years. …

Feb 26, 2026 · Discover facts, figures and images for more than 300 dinosaurs from the Natural History Museum in London. Paleontology is the study of the history of life on Earth as based on fossils.

May 27, 2024 · Most non-avian dinosaurs lived on land. All dinosaurs laid eggs. Many groups show nesting colonies, brooding, and parental care, especially some theropods and ornithischians. Care …