Video shows the heart-stopping moment when a bison began chasing after a child at Yellowstone National Park.
Actor Pierce Brosnan was cited in Wyoming after allegedly walking in thermal areas of Yellowstone National Park, a court document obtained by CNN shows.
Amie Adamson -- a 47-year-old from Derby, Kansas -- was likely killed in a grizzly bear attack on Buttermilk Trail.
A woman was hospitalized after she was gored by a bison in Yellowstone National Park, park officials said.
The derailed cars were carrying hot asphalt and molten sulfur, officials said.
Yellowstone officials warn the public to not approach bison and other wildlife in the park but one woman stood a foot away from one for a selfie.
