Tyrannosaurus Rex was the apex predator of the Late Cretaceous world. You might picture these dinosaurs stomping around on ...

WASHINGTON, March 12 (Reuters) - A new analysis of a large shinbone unearthed in a remote spot in northwestern New Mexico in ...

NEW YORK (AP) — Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type of dinosaur? At first, researchers had only a ...

Tyrannosaurus rex may have taken far longer to grow up than scientists once thought. By analyzing growth rings in fossilized leg bones from 17 tyrannosaur specimens and using new statistical methods, ...

Scientists studying fossils in Albuquerque have discovered an early ancestor of the Tyrannosaurus rex roamed New Mexico more than 74 million years ago, according to a Thursday news release.

For decades, scientists believed that Tyrannosaurus rex reached its full size by the age of 25. However, new research has revealed that the iconic dinosaur likely required more time to reach its ...

Scientists identified a fossil from New Mexico as belonging to a dinosaur that may have been an ancestor of the Tyrannosaurus Rex.

The emergence of the world’s most iconic predator remains a scientific mystery. This latest discovery offers a critical clue ...

THE T-REX ran faster than previously believed and probably would have beaten Usain Bolt in a 100m sprint, a shock new study reveals. It all comes down to new findings about the way this lethal ...

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 ...

A leg bone discovered in northwestern New Mexico decades ago raises new questions about the origins of the infamous T. Rex.