Usually, when a creature is considered extinct, it's thought to be gone forever. But that's not true of this species, which ...

The Allegheny Front’s Kara Holsopple talked about the risks with Dr. Justin Brown, DVM, PhD, a Penn State professor and ...

Divers in Florida’s Steinhatchee River stumbled upon hundreds of pristine fossils from an obscure Ice Age period, including ...

Bison roamed North America for thousands of years before there were any international borders. Ranchers and conservationists ...