A company revealed Monday it’s created the “world’s first de-extinct animals,” two wolf pups genetically modified to resemble extinct dire wolves.

Yellowstone is the only place in the United States where bison have lived continuously since the prehistoric age, according to the park's official website. They were hunted to near extinction as ...

Herds of wild bison (Bison bison) have meandered through Yellowstone's vibrant landscape since prehistoric times. Grazing freely in the expansive grasslands of the park, these are the last free-range ...

Deep inside a labyrinth cave in southwestern France, ancient humans who lived around 30,000 years ago carved horses, mammoths and rhinoceroses into the walls, a fabulous prehistoric menagerie that ...

There’s not a grizzly bear in Yellowstone National Park that is willing to mess with a bison herd on full alert. The accompanying footage, captured Monday via the park’s livestream camera ...

The Cussac cave has more than 1,000 ancient carvings, including horses, bison, rhinos ... and rhinoceros into the walls, a fabulous prehistoric menagerie that has rarely been seen — until ...