An analysis of growth rings in the leg bones of 17 Tyrannosaurus rex individuals reveals that the dinosaurs matured much more ...

For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of ...

Previous studies of T. rex growth rings concluded they grew until around the age of 25, and then stopped. This was more of a ...

The Tyrannosaurus rex is often shown baring massive, sharp teeth, like the ferocious creature in "Jurassic Park." But new research suggests that this classic image might be wrong. The teeth on T. rex ...

Tyrannosaurus rex is one of the few dinosaurs that has its full scientific name in wide use, largely because that name is so cool. But now we might have a few others to learn, as analysis of known ...

Paleontologists continue to use the species to find out more about tyrannosaurs and dinosaurs in general Abigail Eisenstadt It’s been over 30 years since the discovery of the Nation’s Tyrannosaurus ...