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 ...

Researchers in Germany identified a bone disease in the fossilized jaw of a Tyrannosaurus rex using a CT-based, nondestructive imaging approach, according to a study being presented today at the ...

A fossil tyrannosaur pulled from the badlands of southern New Mexico has forced paleontologists to rethink when giant ...

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 ...

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 ...

(CNN) — A formerly unknown relative of the most iconic of all dinosaurs, Tyrannosaurus rex, has been newly identified, according to a study released Thursday. The revelation adds a new clue that could ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...

No matter whether they ate meat or plants, theropod dinosaur species had one thing in common. Over time, they evolved thicker jaws for bigger bites, a new analysis concludes. Theropods were a very ...