A remarkably well-preserved dinosaur fossil has arrived at the Smithsonian’s National Museum of National History. According ...

Dinosaurs have been prominent in popular culture for decades, meaning species such as the T-Rex and Velociraptor have become almost universally recognized. Another type, Therizinosaurus, may have been ...

Where they lived: Dinosaur fossils have been found on every continent, including Antarctica. What they ate: Some ate plants, while others ate animals, including other dinosaurs. How big they were: The ...

This is an artist's rendering of the dinosaur Podokesaurus holyokensis, which lived millions of years ago in what is now Massachusetts. The dinosaur, whose name means “swift-footed lizard of Holyoke,” ...

The remarkable skull will be on display from December 22 through December 28. After spending the next few years behind the ...

Scientists have discovered the fossils of a new prehistoric species in Morocco — a bizarre-looking marine lizard considerably larger than a great white shark, which, they say, dominated the seas while ...

The Pulaosaurus qinglong, a small herbivorous dinosaur from about 163 million years ago, was found with not only a ...

This is an artist’s rendering of the dinosaur Podokesaurus holyokensis, which lived millions of years ago in what is now Massachusetts. The dinosaur, whose name means “swift-footed lizard of Holyoke,” ...

So Dilophosaurus is no longer believed to have been venomous; but what about other dinosaurs?  In 2009, a small, feathered ...

At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs.

Learn more about the animals you thought were dinosaurs, and the animal we thought wasn't a dinosaur, but actually is.

BOSTON (AP) — A “swift-footed lizard” that lived millions of years ago in what is now Massachusetts has been named the state’s official dinosaur under legislation signed into law Wednesday by Gov.