(CN) — A fossil long at the center of one of paleontology’s fiercest debates has finally given up its secret, and it’s rewriting what scientists know about Tyrannosaurus rex. Researchers studying the ...

T. rex's story has been turned on its head by a new discovery about one of the world's most famous fossil finds. One of the creatures locked in the “Duelling Dinosaurs” specimen is not a young T. rex ...

Tyrannosaurus rex is often portrayed as the ultimate predator, but fossil evidence suggests it may not have been alone at the top. Some paleontologists point to other massive carnivores whose size, ...

Scientists at the NC Museum of Natural Sciences have found that what was believed to be a juvenile T.rex skeleton is instead a distant relative, the first of its kind to be found in a full skeleton.

Add Yahoo as a preferred source to see more of our stories on Google. For decades, paleontologists have debated whether Tyrannosaurus rex was the sole apex predator of the end-Cretaceous. According to ...

The largest study ever conducted on the growth of Tyrannosaurus rex reveals that the dinosaur took a far longer and slower route to adulthood than scientists had previously believed.

A handout illustration shows a pack of the dinosaur Nanotyrannus attacking a juvenile Tyrannosaurus in what is now Montana 67 million years ago. Anthony Hutchings/Handout via REUTERS THIS IMAGE HAS ...

T-Rex: The Ultimate Predator offers a thrilling journey into the life and evolution of one of Earth’s most iconic dinosaurs, now on display at the Bullock Texas State History Museum. This ...

A group of researchers has estimated how long it took tyrannosaurus rex to reach its full size — and the time period is significantly longer than scientists previously believed. The dinosaur is ...

There is no question that Tyrannosaurus rex got big. In fact, this fearsome dinosaur may have been Earth's most massive land predator of all time. But the question of how quickly T-rex achieved its ...

WASHINGTON (Reuters) -At the twilight of the age of dinosaurs, an agile and vicious predator named Nanotyrannus prowled western North America, resembling a smaller version of Tyrannosaurus - about a ...