A new analysis of tooth enamel offers a direct estimate and fresh insight into how the dinosaur survived across North America ...

Paleontologists have identified the first known trackway made by a full-grown Tyrannosaurus rex, and the discovery was made in the North Dakota badlands.

Sotheby’s is set to auction a rare dinosaur skeleton three months after it sold a Tyrannosaurus rex for a record-breaking $50 ...

WASHINGTON, Aug 15 (Reuters) - Tyrannosaurus subdued prey with raw power, using bone-crushing bite force. But other meat-eating dinosaurs that rivaled T. rex in size used different approaches.

Two dinosaurs fossilized in combat, originally thought to involve a juvenile Tyrannosaurus rex testing its mettle against a Triceratops, actually feature a separate species frequently confused with ...

T. rex lived around 66 to 68 million years ago during the Late Cretaceous period and was among the last non-avian dinosaurs to roam Earth before the mass extinction that ended the age of the dinosaurs ...

It's a known fact that Tyrannosaurus rex dinosaurs have small arms — but why? Scientists now believe they have cracked the mystery. Scientists conducted research on 85 "non-avian theropod species" and ...

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 ...

Heureka, a major science centre in Vantaa in the Helsinki metropolitan area, has opened a new Evolution of Dinosaurs ...