An Ice Age giant was tumbling around North America during the Late Pleistocene. About the size of a bear, it was actually a ...

While animal comfort and visitor viewing are important, the zoo must also follow safety standards by the Association of Zoos and Aquariums when building a habitat. Though a manual is unavailable for ...

Giant sloths with razor-sharp claws and as large as Asian bull elephants once roamed the Earth, snacking on leaves at the tops of trees with a prehensile tongue. Now, scientists have figured out why ...