The West Entrance of Yellowstone National Park opened today, providing visitors with access to popular attractions such as ...

If you don't get to see it, there are more than 500 active geysers located within Yellowstone National Park ... For that reason, it's not unusual for a new geyser or hot spring to occasionally ...

Yellowstone National Park's bison are mostly contained to the park, but West Yellowstone, Montana, is one place where they ...

New research used artificial earthquakes generated by a truck with a vibrating hydraulic plate to better understand the depth ...

WEST YELLOWSTONE, MONTANA—Tchotchke shop owners are busy ... ogling at “red dog” bison calves, delighting in a geyser’s eruption and soaking up spectacular mountain views, will likely ...

A tourist received jail time after she ventured off the boardwalk and about 10 feet onto the cone of the Old Faithful geyser at Yellowstone National Park, federal officials said. Photo by Judy ...

BILLINGS – Although elk infected with brucellosis freely roam southwestern Montana ... Yellowstone bison that wander outside of two tolerance zones, designated by the state on the north and west ...