Yellowstone National Park officials killed a baby bison because its herd rejected the animal after an unidentified man picked it up. The calf had been separated from its mother in the park’s Lamar ...

A bison in Yellowstone National Park appeared to stumble into the scalding water of Grand Prismatic Spring, causing its death as tourists looked on during the park's busiest season. Subscribe to read ...

South Dakota Game, Fish and Parks says a 70-year-old woman died after being struck by a bison on the Grace Coolidge Trail May ...

In a rare twist, one Yellowstone National Park visitor dangerously close to bison was defended by witnesses who said it ...