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

A slice of the Moon you can touch. Two real T. rexes locked in what scientists believe was a deadly fight. A whale skeleton found by residents simply walking through a mangrove at low tide. A 25-metre ...

Add Yahoo as a preferred source to see more of our stories on Google. Tyrannosaurus rex is known as the king of the dinosaurs. - Roger Harris/Science Photo Library RF/Getty Images Tyrannosaurus rex ...

A group of researchers has estimated how long it took Tyrannosaurus rex to reach its full size — and the time period is ...

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, ...

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 ...

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

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 ...

(CNN) — Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study. Scientists have long counted annual growth rings in fossilized ...

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 ...