A new study published by The Royal Society reveals the disproportionate arms of a T. rex can be linked directly to evolution.

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

A new study suggests Tyrannosaurus rex’s tiny arms were the evolutionary price of developing a gigantic head and a devastating bite.

Tyrannosaurus rex possessed a preposterously massive skull – 5 feet long (1.5 meters) and built to enable bone-crunching bite force – but presented preposterously puny arms. And many other meat-eating ...

Gus is about 12.5-feet-tall, 38-feet-long, and could fetch the highest price for any dinosaur ever sold at auction.

A Royal Society research paper published May 20 suggests that T. rex, which averaged more than 40 feet long with arms ...

Come July, a Tyrannosaurus rex fossil is going under the hammer at Sotheby’s New York, with a colossal estimate to match.

A new study suggests that certain theropods—two-legged, mostly meat-eating dinosaurs—had shrunken forelimbs as an ...

A 67-million-year-old T. rex fossil found on a South Dakota cattle ranch nicknamed 'Gus' could sell for up to $30 million at ...

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 reptile named ...

Paleontologists have just reported the world's biggest Tyrannosaurus rex and the largest dinosaur skeleton ever found in Canada. The 13-metre-long T. rex, nicknamed 'Scotty,' lived in prehistoric ...

The jaw of the Tyrannosaurus Rex had sensitive nerves that may have allowed it to differentiate between parts of its prey, a new study found. By Maria Cramer Was the Tyrannosaurus Rex a foodie? The ...