Scientists sample water from the Firehole River in Yellowstone National Park. The work was done under National Park Service research permit 5194. (Courtesy of the Yellowstone Caldera Chronicles) ...
Yellowstone is a cauldron of untamed waters that rampage for thousands and thousands of miles, fed by the melting stone of the Northern Rockies, seven majestic rivers, glaciers, and a treasure of ...
This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CHEYENNE, Wyo. (AP) — A surprise eruption in ...