On public and private land along Yellowstone’s borders with Montana, these magnificent animals are subject to aggressive management measures in response to fears over brucellosis — a disease that has ...

Cars that were on this bridge in Yellowstone National Park had no choice but to come to a stop as nature took over the roadway typically reserved for vehicles. There’s all kinds of rules of the road ...

YELLOWSTONE NATIONAL PARK, Wyo. — Snow crunched underfoot as Mark Hebblewhite scanned the ridgelines of Canada’s Banff National Park. It was 1995, and the young biologist, fresh out of ...