Dinosaur teeth discovered by a now retired quarryman have revealed a community of prehistoric predators that lived around 135 million years ago in an "exciting" discovery. Paleontologists examined ...

That's equivalent to the weight of about one and a half Asian elephants. It's a lot of clay to search through for dinosaur teeth that in some cases are less than a millimetre in size. So why is Simon ...

New research has revealed just how voracious these dinosaurs were, with their average tooth worn away in less than two months as they consumed enormous amounts of plants. Some of Earth's most ...