More than 100 years after bison from other regions were introduced to the park, the two genetically distinct herds have ...

After more than a century of conservation efforts, researchers have discovered that the bison in Yellowstone National Park ...

The hearing comes as the park’s wild bison are once again being captured by the National Park Service and shipped to ...

A pack of wolves took down a bison in Yellowstone National Park and attracted a crowd of people — that the rest of the bison herd then charged into. Wildlife photographer Jeff Vanuga captured a ...

In the latest legal maneuver entangling Yellowstone National Park's embattled ... Fish and Wildlife Service’s consideration of bison as an endangered species. Montana filed its lawsuit against ...