(A "clade" is a group of organisms which includes a common ancestor species and all of its closely related descendants.) Hollow-boned and bipedal, the theropod dinosaurs were (and are) a highly ...

Troodon formosus was a small coelurosaurian dinosaur—a member of the same clade (evolutionary group) to which modern birds belong. Fossilized remains have been discovered of nesting parents and ...

rex and other big dinosaur predators in the dinosaur clade called theropods. They instead suggested a more holistic approach to assess the braininess of Tyrannosaurus or any extinct animal ...

A series celebrating 200 years of dinosaurs continues as palaeontology undergraduate Harry Bridger shares his experience investigating dinosaur eye size.