Scientists have uncovered an apex predator that once ruled the prehistoric world, eclipsing early relatives of the ...

While it is not quite as big as a Tyrannosaurus rex skeleton, fossilized poop can help paleontologists recreate lost worlds.

A recent study reveals that an estimated 1.7 billion T-rexes once inhabited the Earth before their eventual extinction.

The super rich, including some of the highest profile movie stars, are increasingly getting into collecting dinosaur bones, ...

"The nickname has come to be Thanatos." Teeny T. rex relative discovered in US Tyrannosaurus rex had 'air-con' in its head Small tyrannosaur 'was cousin of T. rex' Fragments of Thanatos's ...

We may never know if dinosaurs climbed Half Dome when they roamed the earth, but dinosaur prints might still be found on the ...

Tyrannosaurus rex was one of the most ferocious predators to ever walk the Earth. With a massive body, sharp teeth, and jaws so powerful they could crush a car, this famous carnivore dominated the ...

Artwork: T. rex was a formidable predator during the Cretaceous Period As a big, active predator, the mighty Tyrannosaurus rex needed a way to cool down. Now, scientists say that two large holes ...

Your browser does not support HTML5 video. It is a classic chase scene in modern cinematic history. The image of a rampant Tyrannosaurus rex (T. rex) chasing Jeff ...

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A juvenile Edmontosaurus disappears into the enormous, lipped mouth of Tyrannosaurus. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!