SUE the T. rex is one of the most complete, best-preserved Tyrannosaurus rex specimens ever found. That level of preservation helps reveal details about SUE's life. For instance, SUE lived to a ripe ...

The jaw of Tyrannosaurus mcraeensis defined it from its famous cousin, T. rex, while its bones and nearby fauna raised questions about when and why tyrannosaurs became one of the biggest predators of ...

T. rex teeth — possibly up to six inches long — were thought by many to be too big not to protrude. In recent years, paleontologists have debunked other stereotypical portrayals of the dinosaur. Some ...

The Tyrannosaurus rex seemingly came out of nowhere tens of millions of years ago, with its monstrous teeth and powerful jaws dominating the end of the age of the dinosaurs. How it came to be is among ...

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 ...