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.

Tourists at Yellowstone National Park recently witnessed a shocking and heartbreaking event. In a tragic Yellowstone bison death, a large bull wandered into a geothermal area, lost its footing, and ...

"They should limit the amount of daily visitors." Bystander captures unbelievable encounter between Yellowstone tourists and ...

Sitting in an old-growth spruce fir forest, Doug Smith says he can see first-hand the impact of reintroducing wolves on the ...

A bystander shared a startling video of a toddler getting dangerously close to a massive bison at Yellowstone National Park.