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 ...

Palaeontologists agree that Troodon was one of the most intelligent ... The tail would disappear, and, strangely enough, so ...

Troodon, paleontologists contend ... that a humanoid reptile evolved from a carnivorous dinosaur would lack teeth entirely. A ...