By using 3D skull scans of 18 species, scientists discovered that while T. rex evolved a crocodile-like skull built for ...

A tyrannosaurus fossil is helping scientists learn more about the giant carnivore's diet — because for the first time its last meals were found embedded in the fossil.

But T. rex was also the last of its meat-tearing family. The earliest tyrannosaurs evolved about 166 million years ago. In ...

Tyrannosaurus rex might be the most famous meat-eater of all time, but it turns out it wasn’t the only way to be a terrifying giant. New research shows that while T. rex evolved a skull designed for ...

The Tyrannosaurus rex’s terrifying toothy grin from the films may not have been an accurate representation, according to new research by an international team that includes Thomas Cullen, an ...

The Tyrannosaurus Rex has long been the creature of nightmares — but the "King of Tyrant Lizards" had a cousin who may have been just as terrifying. With the help of a paleontology enthusiast ...

"Tyrannosaurus rex remains the one true king of the dinosaurs. It is the only species of giant apex predator dinosaur that lived at the end of the Cretaceous in North America," Brusatte added.

Tyrannosaurus rex at the American Museum of Natural History in 2019. In a new paper, Gregory Paul, an independent paleontologist, argues that T. rex is not one but three species.

Few dinosaurs exude the same mystique as Tyrannosaurus rex but the tyrant lizard king that once roamed across North America might have been misunderstood.

New estimate says dinosaur grew fast, could have reached 9 tons. Oct. 16, 2011 — -- Johnny Cash might have said life wasn't easy for a dinosaur named Sue. She grew up quick and she grew up ...