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

Tyrannosaurus rex was a late developer who kept growing until the age of 40, reveals new research. The largest-ever study of how the “king of dinosaurs” grew shows a much longer, slower path to ...

Cara Tabachnick is a news editor at CBSNews.com. Cara began her career on the crime beat at Newsday. She has written for Marie Claire, The Washington Post and The Wall Street Journal. She reports on ...

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 ...

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

Add Yahoo as a preferred source to see more of our stories on Google. In this illustration, an adult Nanotyrannus lancensis attacks a young Tyrannosaurus-Rex. Dinosaurs haven’t roamed the Earth for ...

T. rex teeth — possibly up to six inches long — were thought by many to be too big not to protrude. In recent years, paleontologists have debunked other stereotypical portrayals of the dinosaur. Some ...

No creature in the history of planet Earth sparks the imagination quite like Tyrannosaurus rex. But how do we separate the movie-monster myth from the actual animal? Victoria the T-rex, a traveling ...

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 tyrannosaur skull to ...