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. …

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 mysteriously disappeared at the end of the Cretaceous Period, around 65 million years ago.

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

Dec 22, 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 …

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 ...

Dinosauropedia from Animalia is an online encyclopedia where you can learn about pre-historic animals such as dinosaurs, marine reptiles, terror birds, cynodonts, and many more.

Aug 16, 2025 · Unravel the millions of years when dinosaurs ruled the planet, charting their evolution, diverse lives, and eventual demise.

The creatures that we normally think of as dinosaurs lived during the Mesozoic Era, from late in the Triassic period (about 225 million years ago) until the end of the Cretaceous (about 65 …

Travel back millions of years to a time when dinosaurs roamed the earth with these articles, photos, and profiles.

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 …

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

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 …

Jul 31, 2025 · The age of dinosaurs—also known as the Mesozoic Era—is divided into three periods: the Triassic, the Jurassic, and the Cretaceous. This stretch of time, from about 252 to …

Mar 14, 2025 · Some of the most famous types of dinosaurs include Tyrannosaurus rex, Triceratops, Stegosaurus and Velociraptor, many of which were featured in the popular …

Dec 22, 2025 · Dinosaur - Extinction, Fossils, Evolution: Dinosaurs lived in many kinds of terrestrial environments, and although some remains, such as footprints, indicate where …

Learn how many species have been discovered, and see photos and information about over 40 types of dinosaurs.

An introduction to dinosaurs and what set them apart from other prehistoric reptiles.

Explore the age of the dinosaurs. Discover what the prehistoric world was like and how it changed between when dinosaurs first appeared and the mass extinction at the end of the Cretaceous …

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.

Dec 17, 2025 · Dinosaur - Evolution, Classification, Extinction: After dinosaurs were recognized as a new type of fossil animal, popular fascination with them reached a peak in the 1850s with …

1 day ago · In 2025, scientists have named several new dinosaur species and are learning new facts about the remarkable lives of dinosaurs. Paleontologists have found a 'Dragon price' …

6 days ago · The Top Ten Dinosaur Discoveries of 2025, From Preserved Blood Vessels to the Return of a Short King With studies of fossilized bones, gut contents, eggshells and more, …

4 days ago · Scientists have discovered the single largest dinosaur track site in the world in Carreras Pampa, Torotoro National Park, Bolivia. The tracks were made about 70 million …

3 days ago · Inside the bone-crushing mating rituals of dinosaurs A handful of unique fossils are spilling the secrets of dinosaur courtship and reproduction.

6 days ago · It’s been a fantastic year of dinosaur discoveries. Read on to find out about some of the most exciting. Artist’s depiction of a T. rex attacking a hadrosaur. Image via Pedro Salas …

1 day ago · A grapefruit-sized dinosaur egg from a fossil bed in China gave paleontologists a huge surprise. Rather than a dinosaur embryo or sediment, it was filled with sparkling crystals …