We know Tyrannosaurus rex, history’s most infamous carnivore, only ate meat. But did the top predator’s cousin prefer it with ...

The massive reptile may have weighed more than 4.5 tons and been 35 feet long—much bigger than its related peers at the time ...

Tyrannosaurus rex is one of the most recognizable names of the dinosaur world, a hulking and terrifying meat-eating behemoth.

New research suggests Tyrannosaurus rex ran on its tiptoes rather than flat feet.

For decades, dinosaurs, especially the Tyrannosaurus rex, have captured the imaginations of the public and paleontologists alike. In many instances, pop culture has depicted the T. rex as the giant ...

Tyrannosaurus rex may have taken far longer to grow up than scientists once thought. By analyzing growth rings in fossilized leg bones from 17 tyrannosaur specimens and using new statistical methods, ...

Tyrannosaurus rex is often seen as the unstoppable king of the dinosaurs, but life in the Hell Creek ecosystem was far from easy. Massive herbivores like Triceratops, heavily armored Ankylosaurus, and ...

Billions of Tyrannosaurus rex roamed North America during their fascinating reign as top predators, according to a team of researchers that went about the daunting task of making the calculation.

As the apex predator of the Cretaceous period, the Tyrannosaurus Rex has become an enduring symbol of power and ferocity since its real-world discovery in 1902. The ...

The Tyrannosaurus rex is often shown baring massive, sharp teeth, like the ferocious creature in "Jurassic Park." But new research suggests that this classic image might be wrong.The teeth on T. rex ...