A new study reveals Tyrannosaurus rex took 40 years to reach full size, not 30, as previously thought. Researchers analyzed ...

Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study ...

Pioneering techniques used in this research may soon be applied to other dinosaur fossils and alter the course of ...

A study of fossil bones shows Tyrannosaurus rex kept growing until around age 40, challenging long-held ideas about dinosaur ...

A study suggests that the Tyrannosaurus Rex reached its massive size over 40 years, contradicting earlier estimates of a ...

A remarkably complete tyrannosaur specimen, unearthed in the middle of Montana, may finally settle one of the most contentious debates in paleontology and upend our understanding of Tyrannosaurus rex, ...

A legendary fossil housed at the North Carolina Museum of Natural Sciences in Raleigh features skeletons apparently locked in prehistoric combat — an epic meeting of two of the world’s favorite ...

One Tyrannosaurus rex seems scary enough. Now picture 2.5 billion of them. That’s how many of the fierce dinosaur king probably roamed Earth over the course of a couple million years, a new study ...

In fact, around 100 million years ago, the UAE was under the sea, the expert said. This is supported by clear geological ...

Fossils paleontologists initially thought belonged to a juvenile Tyrannosaurus rex actually belong to a new species of dinosaur that belongs to a distinct genus altogether. The 67 million-year-old ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. For years, key fossils were thought by many paleontologists to be juvenile examples of ...

NEW YORK — 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 ...