Fossils paleontologists initially thought belonged to a juvenile Tyrannosaurus rex actually belong to a new species of ...

At the twilight of the age of dinosaurs, an agile and vicious predator named Nanotyrannus prowled western North America, ...

There are literally decades of research... based on a premise that this article overturns,” said one paleontologist.

The debate over Nanotyrannus’ identity is finally over. A remarkably preserved fossil proves it was a mature species, not a teenage T. rex. This discovery rewrites how scientists understand ...

More than 60 million years on from its final day on Earth, there's a dinosaur we owe an apology. Paleontologists confirm that the Tyrannosaurus rex locked in combat with a Triceratops in the famous ...

“The fossil, part of the legendary ‘Dueling Dinosaurs’ specimen unearthed in Montana, contains two dinosaurs locked in prehistoric combat: a Triceratops and a small-bodied tyrannosaur. That ...

It’s the ultimate thought experiment: a human dropped into the Cretaceous world of Tyrannosaurus rex. Could agility, terrain, or intelligence make up for the 15,000 pounds of muscle bearing down at 30 ...

What if everything we know about T. rex growth is wrong? A complete tyrannosaur skeleton has just ended one of paleontology’s longest-running debates – whether Nanotyrannus is a distinct species, or ...

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 ...

How big was the Tyrannosaurus rex? Learn how, even though they may not have been the largest theropod, they’re definitely one ...

Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or ...

Talk about inhaling your food: The iconic predator Tyrannosaurus rex and its kin had some of the keenest senses of smell among all extinct dinosaurs, a new study finds. The work, published yesterday ...