This post comes to PBS Nature from World Wildlife Fund (WWF). WWF and Nature are collaborating on a series of blog posts from WWF conservation scientists that will share the stories and motivations ...

We don't really think about what animals do when we're not around. But even without us there they can truly be so kind to each other. Just take a herd of cows that they took in an orphaned bison and ...

A new study finds free roaming bison in Yellowstone National Park are reshaping the ecosystem. They have had a positive effect on grasses and soil, but some changes may not be for the better. A couple ...

Yellowstone National Park has long been home to thousands of bison, the area’s most iconic animal. Almost daily, tourists stop their cars to allow streams of these massive mammals to cross the roads.

A visitor at Yellowstone National Park taunted a bison with food, resulting in the animal charging at him. An ABC News video showed the visitor tried to approach and feed the bison. It charged, but ...

A New Jersey tourist was gored by a bison at Yellowstone National Park after a large group of visitors approached the animal too closely, officials said. The 30-year-old man from Randolph was struck ...

CUSTER, S.D. (KELO) –Thousands from across the nation gathered at Custer State Park this morning for the 60th annual Governors Buffalo Roundup. This year over 1,400 bison were guided in for their ...