This is a detail of a thin section through the tooth of a large theropod, Gorgosaurus, from Alberta. The teeth were serrated like steak knives for easy dismembering of other dinosaurs.

Tawa hallae has a carnivore's teeth, placing it in the category of the theropods, which includes later meat-eating dinosaurs like T. rex and velociraptor. Like many theropods, Tawa is believed to ...

In Article Audio PlayerWhere’s the best place to meet a mate? For theropod dinosaurs around 100 million years ago, the answer was probably a lek. A lek, or a lekking site, is a special area where the ...

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 ...

Paleontologists in Argentina recently found the first unambiguous evidence that a group of theropod dinosaurs had hollow bones capable of holding air sacs – an ability that helps birds fly, according ...

The find was made in Inner Mongolia.The structure of the hand is different from all other known species of theropod, giving rise to the question of where this new species fits in. The size in ...

A new study on two theropod fossils found in Northeast China's Liaoning Province has revealed ecological differentiation within one dinosaur family for the first time in Early Cretaceous ...