The largest study ever conducted on the growth of Tyrannosaurus rex reveals that the dinosaur took a far longer and slower route to adulthood than scientists had previously believed.

Tyrannosaurus rex is undoubtedly one of the most famous dinosaurs. Whether it was the largest amongst the meat-eating theropods, however, is questionable and often part of intense debate. Based on the ...

Large animals face a constant battle against physics: they generate a lot of body heat that can be difficult to dump. For a dinosaur with a head as large and heavily insulated by bone and keratin as ...

Dinosaurs are the most famous of Earth's extinct animals, and you've probably heard a lot about the mass extinction event that wiped them off the face of the planet for good (with the exception of the ...

It's known as the "Dueling Dinosaurs" fossil: A triceratops and a tyrannosaur, skeletons entangled, locked in apparent combat right up until the moment of their mutual demise. Even in the Hell Creek ...