WASHINGTON (AP) — The Trump administration has fired about 1,000 newly hired National Park Service employees who maintain and ...

In its motion to intervene, the Montana Sierra Club defended the 2024 Yellowstone bison plan, which increases population ...

The environmental groups want to defend bison herd expansion in Yellowstone, which the Trump administration could reverse.

Yellowstone is home to nearly 5,000 bison, which must contend with wolves in the winter, and wolves and grizzly bears during ...

Mosquito Grizzly Bear's Head Lean Man First Nation in Saskatchewan welcomes a family group of 11 plains bison from Yellowstone National Park, a gift from Fort Peck Indian Reservation in Montana.

In Central Washington, the Yakama Nation manages a herd of bison — and, if you make an appointment, you can visit the ...

But who among those who have encountered bison in Yellowstone National Park or elsewhere knows what a bison heart looks like? Montana Wild pointed out that a typical bison heart weighs between 3.7 ...

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.

Two federal agencies involved in the management of Yellowstone National Park’s bison should be required to conduct new environmental analysis regarding the animal’s “admittedly arbitrary ...

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 photo ...

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 ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park. Find more at natgeo ...