Yellowstone is home to some of North America's most iconic wildlife, including the Big Five. Here's what you need to know about these must-see animals.

Originally made up of two distinct herds, researchers now believe the Yellowstone bison should be managed as a single, ...

New research from the University of Minnesota upends long-held understanding about how wolves, bears and cougars—three of ...

Although these animals are now abundant in the national park, poaching pushed the local population ... Comparing the genetic ...

Population genetic studies completed just 20 years ago found ... animals in Yellowstone in the hopes that they would create a stable and thriving population in the world's first national park ...

President Trump’s zest for rapidly shrinking the government is triggering anxiety about conservation priorities that have ...