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 ...

Nov 11, 2025 · 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.

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 …

6 hours ago · A wildlife photographer has discovered one of the oldest and largest collections of dinosaur footprints in an Italian national park.

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...

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 …

Mar 27, 2025 · The word “dinosaur” isn’t a catch-all term for just any scaly, prehistoric giant. “There’s kind of a misconception that any big extinct thing was a dinosaur,” Smith says. In fact, …

6 hours ago · Hundreds of yards of dinosaur tracks with toes and claws have been found in the Italian Alps in a region that will host the 2026 Winter Olympics, authorities said Tuesday. "This …

1 day ago · Thousands of dinosaur footprints dating back 210 million years have been found in a national park in northern Italy. The footprints - some of which are up to 40cm (15in) in diameter …