A group of researchers has estimated how long it took Tyrannosaurus rex to reach its full size — and the time period is ...

Pioneering techniques used in this research may soon be applied to other dinosaur fossils and alter the course of ...

Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study ...

Tyrannosaurus rex is arguably the world’s most famous dinosaur, yet paleontologists are still learning more about this giant ...

By counting visible and hidden rings, researchers found that T. rex did not reach full size until 35 to 40 years of age.

By cutting into a tiny throat bone, Princeton's Chris Griffin showed that it belonged to an adult of a smaller tyrannosauroid ...

Fewer Tyrannosaurus rex fossils are available for scientific research because wealthy people are purchasing them for private collections, a new study has found. "The early growth stages of T. rex are ...

By Will Dunham WASHINGTON, Jan 15 (Reuters) - There is no question that Tyrannosaurus rex got big. In fact, this fearsome ...

Tyrannosaurus rex is still the biggest, baddest land predator of all time. It was the size of a city bus, with a head almost as long as Tom Cruise is tall and a smile every bit as devastating.

Ever since the first fossil was pulled from the sandstone formation at Hell Creek, Montana, at the turn of the last century, the Tyrannosaurus Rex has reigned supreme as the ultimate apex predator. In ...

NEW YORK (AP) — 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 ...

A team of biotech startups has announced a bold new project to develop lab-grown leather inspired by one of the most iconic dinosaurs in natural history, the T. rex. The initiative is a collaboration ...