Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

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

Dilophosaurus is probably the best-known dinosaur whose fossil remains have been found in Arizona. That’s because the 1994 ...

Originally thought to belong to a meat-eating giant, Stovall informally gave it a name later corrected to “Saurophaganax ...

The word "dinosaur" means "terrible lizard" in Latin, and it was first made up in 1842 by paleontologist Richard Owen. Birds are actually dinosaurs. They evolved from theropods, a group of mostly ...