Gouge marks in dinosaur fossils were giveaway to young researcher. Oct. 15, 2010— -- What did Tyrannosaurus rex eat? To some extent, say researchers, they ate each other. The less-than-appetizing ...

Tyrannosaurus rex is often called the scariest and most feared dinosaur to ever walk the Earth, but science still debates what that reputation truly means. Fossils reveal crushing bite power, a ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: A girl looks at the skull of Tyrannosaurus rex "Tristan Otto," one of the most complete specimens worldwide, during ...

Remember that scene in Jurassic Park where the Tyrannosaurus rex chases down a Jeep? The vehicle was moving quite fast but the massive beast was able to catch right up to it thanks to its massive ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (WGHP) — Tyrannosaurus rex. The name ...

A study published this week proposes three species of Tyrannosaurus instead of the long-accepted single species rex. The researchers analyzed dozens of T. rex specimens, of which there are only about ...

It's known as the "Dueling Dinosaurs" fossil: A triceratops and a tyrannosaur, skeletons entangled, locked in apparent combat right up until the moment of their mutual demise. Even in the Hell Creek ...

The behemoth dinosaurs grew more slowly and had longer lifespans than previously thought, a new study suggests ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Tyrannosaurus rex, whose name translates to the tyrant lizard king ...

A new study reveals Tyrannosaurus rex took 40 years to reach full size, not 30, as previously thought. Researchers analyzed bone tissue from fossils to determine their results.

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 ...