After the extinction of the dinosaurs, a different group of massive animals roamed the Earth. Learn about these huge ancient elephants.

Alligators top the food chain along the lakes, rivers, and swamplands of the southeastern United States – preying on any unsuspecting creature crossing their path. In this video watch a hungry gator ...

In battles over territory, lions occasionally unleash their brutal killing skills on each other instead of prey. The notorious Mapago lion coalition once dominated 250 square miles of South Africa’s ...