ESPN kicked off its annual T-Rex Races, where hundreds of people in inflatable Tyrannosaurus rex costumes compete for the title of world's fastest dinosaur.

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

Simulations calculated Tyrannosaurus speed from the motion of its swaying tail, finding that the massive dinosaur was a ...

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.

We’ve been ignoring Rob Zombie’s Tyrannosaurus Rex movie project, now in development, because it doesn’t sound like it actually f ...

"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.

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 ...

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

For a Tyrannosaurus rex, there was nothing more dangerous than another Tyrannosaurus rex. From a relatively young age these dinosaurs tussled by biting each other on the face—possibly spreading ...

Tyrannosaurus had a massive head and tremendous bite strength, walked on two strong legs, and had puny arms with just two fingers. Perhaps the largest-known Tyrannosaurus is a specimen named Sue ...

By Sophie Lewis August 13, 2020 / 9:06 AM EDT / CBS News Scientists have discovered what they believe to be a new species of theropod dinosaur — making it a close relative of the Tyrannosaurus rex.

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 ...