For decades, a small tyrannosaur skull has divided paleontologists over whether it belonged to a separate species or a ...

For more than sixty years, one battered skull has stirred a fight that would not fade. The fossil, stored in Ohio, carried a ...

Scientists have confirmed that Nanotyrannus was a mature species, not a young T. rex. A microscopic look at its hyoid bone ...

This week's cover of the international scientific journal 'Nature' features two small dinosaurs facing a giant Tyrannosaurus ...

CNN — Even as teenagers, Tyrannosaurus rex dominated the top of the food chain. Researchers can say that with more certainty after confirming that two small T. rex fossils found in the early 2000s are ...

For decades, paleontologists argued over the lone skull used to establish the distinct species Nanotyrannus. Was it truly a ...

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 ...

They’ve since unearthed nine or 10 bones, Boyd said, including vertebrae, part of the tail, a tooth and an ankle. Boyd said ...

It's extremely rare to find a complete skeleton of a dinosaur. It's rarer still that such a skeleton needs to be found twice. Such is the fate of "Stan" the T. rex, a massive, mostly complete skeleton ...

Steven Spielberg’s thrilling adaptation of Michael Crichton’s novel Jurassic Park came out at a time when new advances were being made in research about dinosaurs, causing the massive beasts to take ...