Kobayashi and his colleagues christened the new therizinosaur, Duonychus tsogtbaatari. The genus name means “double claw”, ...

Modern birds share many traits with dinosaurs, including hollow bones and wishbones. Early birds were also better able to survive the cold conditions after the asteroid strike than many reptiles. This ...

The museum hopes that after learning about the planet’s prehistoric past, people will do more to preserve Earth’s future.

Images from sites of two important archaeological discoveries published this week. The huge flying reptile Dearc sgiathanach unearthed on the Isle of Skye and the fish fossils in North Dakota that ...

Until 1842, no one had heard of the word ‘dinosaur’. But when acclaimed anatomist Richard Owen grouped three prehistoric animals with curious features in common, he changed the way the world thought ...

Our brief introduction to dinosaurs reveals a key feature that gave them an advantage over other prehistoric reptiles. Dinosaurs are a group of reptiles that dominated the land for over 140 million ...

The species, named Duonychus tsogtbaatari, belongs to a group of two-legged dinosaurs called therizinosaurs that lived in ...

Before the search for fossils moved westward, Edward Cope and his mentors explored the marl pits of New Jersey to turn up some of the first dinosaurs found in North America. This early article by ...

Anybody who has ever watched a fictional movie featuring dinosaurs would likely have been led to believe that the ...

A replica fossil of the titanosaur _Patagotitan_, one of the largest dinosaurs ever discovered. It would have weighed about 70 tons (63.5 metric tons.) Spencer Platt/Getty Images News via Getty Images ...

Dinosaurs were big reptiles that lived a long, long time ago. Some were huge and others were small. They lived on land and in the sea, but they are now extinct, which means they don’t live on ...