This remarkable find—a nearly complete skull—sheds new light on Africa's ancient food chain and offers a glimpse of a world ...

The Tyrannosaurus rex had the strongest bite of any known land animal — extinct or otherwise ... this feat without breaking its own skull. In a new study published in the journal The Anatomical ...

Drawings of herding, hunting or even dancing on horsebacks can also be found. The simplest symbol of a rider is a thick line with neither head nor limbs drawn vertically on the back of an animal.