The move is to protect the park’s native and wild trout fisheries. High temperatures and low river flow must improve until ...

New mapping of the magma lying beneath Yellowstone National Park sheds light on where volcanic activity is shifting, and the likelihood of a full-scale eruption.

Most people already know a thing or two about Yellowstone National Park. It’s the world’s first national park and home to Old Faithful. “Probably 95% of people that come to Yellowstone visit ...