BILLINGS — Bison advocates and environmental groups submitted an emergency appeal to federal officials on Thursday to halt the continued slaughter of bison migrating from Yellowstone National Park.

Twenty-six bison that were captured on the north end of Yellowstone National Park last weekend will be shipped to slaughter today.

One of the last and largest wild bison populations in North America has begun its migration out of Yellowstone National Park into southwestern Montana, where they are being hunted and face ...

BILLINGS, Mont. (AP) -- Roughly 30 bison captured near the western border of Yellowstone National Park were shipped to slaughter without being tested for the disease brucellosis, a state livestock ...

One hundred and sixty bison were hazed back into Yellowstone National Park on Monday by park staff, but on Tuesday 75 bison were captured.

A bison was gruesomely boiled to death in a Yellowstone National Park hot spring last week -- as tourists watched in horror.

BOZEMAN – Wildlife managers are considering changes to the hunting and slaughter of bison that leave Yellowstone National Park after past efforts failed to achieve population reduction goals set ...

BILLINGS, Mont. (AP) - Wildlife officials made a last push Tuesday to get bison back into Yellowstone National Park before they face possible slaughter if caught outside park boundaries.

BILLINGS – Yellowstone National Park has begun shipping wild bison for slaughter as part of a plan to reduce the park's population by as many as 900 animals this winter.