Sore mouth disease has recently been observed in Yellowstone National Park’s bighorn sheep population.

Montana officials will remove Soda Butte Creek, which flows into Yellowstone National Park, from a list of impaired streams next year.

The U.S. Fish and Wildlife Service is reviewing their decision to remove Endangered Species Act protections for Yellowstone grizzly bears.

Researchers continue to map the ways Yellowstone grizzly bears could reconnect with the population living around Glacier National Park.

Yellowstone Superintendent Dan Wenk will receive an honorary doctorate from Montana State University during fall commencement.

The Yellowstone grizzly population is relatively stable, according to estimates from the Interagency Grizzly Bear Study Team (IGBST).

A new study warns gateway communities around Yellowstone National Park could lose millions in visitor spending if the National Park Service raises entrance fees.

600 to 900 Yellowstone bison could be culled this winter through hunting and slaughter, according to bison managers.

The Yellowstone Gateway Business Coalition (YGBC) is ramping up calls for a mining ban in the Paradise Valley outside Yellowstone National Park.

Grand Teton National Park will be raising their fees for backcountry, motor boat, wedding and special event permits come January 1, 2018.