Rex. However, its close cousin, who reigned in Asia at the same time, is far less known even though it was almost just as ...

With a massive body, sharp teeth, and jaws so powerful they could crush a car, this famous carnivore dominated the forested river valleys in western North America during the late Cretaceous period ...

Dinosaur Top Trumps needs an update ... with pointed heads lined with small, sharp teeth, a long graceful neck, two relatively long arms tipped with three-fingered hands for grasping prey ...

and an S-shaped neck. Based on these and many other similarities, Ostrom showed that birds descended from small, predatory, bird-like dinosaurs. With sharp teeth and a long, bony tail ...

Some were as tall as buildings and had sharp teeth, like the Tyrannosaurus Rex. Many dinosaurs had long tails, like the Tsagantegia. The Tsagantegia also had special armour all over its body to ...