Named the “king of the tyrant lizards,” T. rex was built to rule. Find out how these dinosaurs lived, what made them so ...

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 ...

Movies like Jurassic Park portray dinosaurs as fierce, dangerous creatures. While some dinosaurs were huge carnivores with ...

For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of Tyrannosaurus rex to estimate how old the giant carnivores were when they died and ...

New research is trying to remake the case that fossils known as Nanotyrannus were their own species, rather than a teenage Tyrannosaurus rex. By Asher Elbein Asher Elbein previously wrote about ...

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 ...

Tyrannosaurus rex is usually imagined as a fully formed giant: massive skull, crushing bite, and a body built for dominance. But new fossil analysis suggests the path to that size may have been longer ...

May 28 (Reuters) - Tyrannosaurus rex was a huge land predator during the twilight of the age of dinosaurs. But it was not the only T. rex that terrorized the Cretaceous Period. There also was a marine ...

Get ready to go on a Dinosaur Adventure with Andy and Hatty. Watch clips, sing songs and travel back in time to meet ...