The streams were closed to all fishing on July 12 due to low flows and high water temperatures that stress trout.

Free-moving herds of migratory bison in Yellowstone National Park are stimulating the regrowth of flourishing grasslands and reshaping ecosystems, a new study has found. Contrary to conventional ...

"I am coming to you live from Yellowstone, and we found a little geyser right here, and we're about to touch this [thing]," ...