Add Yahoo as a preferred source to see more of our stories on Google. The U.S. Fish and Wildlife Service will spend the next year assessing whether to protect Yellowstone bison under the Endangered ...

Add Yahoo as a preferred source to see more of our stories on Google. A young bull bison grazes on the Tallgrass Prairie Preserve, Pawhuska, Oklahoma. Matthew Moran, CC BY-ND Driving north of Pawhuska ...

It's National Park Week — and from Yellowstone National Park to Jackson Hole, wildlife in the Rocky Mountain West is an American treasure, which is why visitors flock to see it. Park goers are bound ...

South Dakota cowboys and cowgirls rounded up a herd of more than 1,500 bison Friday as part of an annual effort to maintain the health of the species, which has rebounded from near-extinction.

YELLOWSTONE NATIONAL PARK, Wyo. (AP) — A federal judge has ordered the U.S. Fish and Wildlife Service to revisit part of its decision not to protect Yellowstone National Park’s bison as an endangered ...

A Kansas State University-led study has found that reintroducing bison—a formerly dominant grazer—doubles plant diversity in a tallgrass prairie. The research involves more than 30 years of data ...