Montana Governor Greg Gianforte and two agencies have raised a lawsuit to challenge the Yellowstone National Park's way of managing its bison herd, arguing that it violates federal laws.

A bison has gored an 83-year-old South Carolina woman at Yellowstone National Park, using its horns to lift her about a foot off the ground, according to park officials. The woman was seriously ...

Montana is suing Yellowstone National Park over a plan to increase the number of bison in and around the park and establish greater tolerance for their presence outside its boundaries. In a press ...