Montana officials filed a lawsuit on Dec. 31 in U.S. District court alleging that the DOI and NPS have failed to keep bison ...

State officials say they're worried about bison passing on disease to cattle outside the park—but wildlife managers say it's ...

Something you will not see in Montana or Yellowstone National Park is the animal featured in the accompanying image. But ...

Gov. Greg Gianforte and two state agencies are suing the federal government. They argue Yellowstone National Park’s new bison ...

The suit concerns brucellosis, a bacterial disease that infects cattle, swine, goats, sheep and dogs and can spread to humans ...

State warns that it could rescind ‘tolerance zones’ that allow bison to wander out of the park without being hunted.

Montana officials, saying they've not been given "a fair shake," filed a New Year's Eve lawsuit over Yellowstone National ...

Montana alleged the Yellowstone National Park bison herd population has grown to a potential harmful level.

Montana is suing Yellowstone National Park over a plan to increase the number of bison in and around the park and establish ...

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 ...

It’s the latest escalation in a decades-long conflict between state and federal officials over management of bison herds in Yellowstone National Park. The core issue is about how to manage the animals ...