A new analysis of fossils believed to be juveniles of T. rex now shows they were adults of a small tyrannosaur, with narrower jaws, longer legs, and bigger arms than T. rex. The species, Nanotyrannus ...

A formerly unknown relative of the most iconic of all dinosaurs, Tyrannosaurus rex, has been newly identified, according to a study released Thursday. The revelation adds a new clue that could help ...

Researchers say they have identified a new species of Tyrannosaurus that traces the dino's lineage to North America much earlier than previously thought, and could shed new light on the murky origins ...

The Tyrannosaurus rex seemingly came out of nowhere tens of millions of years ago, with its monstrous teeth and powerful jaws dominating the end of the age of the dinosaurs. How it came to be is among ...

Tyrannosaurus rex may not have been the only large carnivore reigning over North America during the Late Cretaceous after all. A reinterpretation of several fossils of small dinosaurs sometimes ...

Dinosaurs were likely as smart as reptiles but not as intelligent as monkeys. Dinosaurs were as smart as reptiles but not as intelligent as monkeys, as former research suggests. An international team ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. New research is throwing some cold water on the idea that the ...

An analysis of nine species of tyrannosaurs documented the evolutionary forces that led to the dinosaur’s reign. By Jeanne Timmons If you have ever stood in the presence of a complete fossil of a ...

While we don't like to talk ill of the dead, new physiological analysis has found that the king of the dinosaurs was not so smart after all. It upends previous research that last year likened the ...

A famous and expensive T. rex fossil has turned up after vanishing 2 years ago. It’s extremely rare to find a complete skeleton of a dinosaur. It’s rarer still that such a skeleton needs to be found ...