The lawsuit is the latest escalation in a decades-long fight between state and federal officials over how to manage the ...

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

Governor Greg Gianforte and two state agencies have filed a lawsuit against the National Park Service and its bison ...

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

This story has been updated with information from Yellowstone National Park. Citing a failure to cooperate with Montana state agencies and violation of federal laws, Gov. Greg Gianforte’s ...

A legal dispute has arisen over the recently completed Bison Management Plan, which was announced in July by Yellowstone ...

Gov. Greg Gianforte, the Montana Department of Livestock and Montana Fish, Wildlife and Parks are suing the Biden ...

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 ...

A long-simmering battle between Yellowstone National Park officials and the Gianforte administration in Montana came to a ...

The bison plan was finalized in 2024 amid protests from the Gianforte administration, first outlined in a 17-page letter in 2023.

The National Park Service’s plan to increase bison herd sizes has drawn criticism from state officials concerned about disease transmission.