An analysis of nine species of tyrannosaurs documented the evolutionary forces that led to the dinosaur’s reign. By Jeanne Timmons If you have ever stood in the presence of a complete fossil of a ...

The Tyrannosaurus rex wasn't one to waste its food. With the help of its powerful jaw, the dinosaur king ripped apart and gobbled up its prey's bones, in addition to any juicier bits. The T. rex could ...

“Of the giant carnivore dinosaurs, T. rex is the one we know the most about because it has a pretty good fossil record,” Rowe says. There are many complete skulls which have already been scanned and ...

When you think of the largest carnivorous dinosaurs, you might picture a massive predator biting through bone in one devastating snap. That image fits Tyrannosaurus rex, but new research shows it ...

But new research suggests that this classic image might be wrong. The teeth on T. rex and other big theropods were likely covered by scaly lips, concludes a study published Thursday in the journal ...

If you have ever stood in the presence of a complete fossil of a Tyrannosaurus rex, there is no doubt it was the apex predator of its era. The adults were enormous, with giant skulls and banana-size ...