This original painting by James Havens of Ugrunaaluk kuukpikensis, the new species of duck-billed dinosaur described in research published today in the international journal Acta Palaeontologica ...

Theropods are a highly diverse group of bipedal, mostly carnivorous dinosaurs that include giant predators like Tyrannosaurus rex as well ... a poorly known part of the British Cretaceous; we ...

Some paleontologists see evidence in the fossil record that dinosaurs were doing quite well prior to the end of the Cretaceous-- that they were in no way declining in abundance when the impact ...