After its Sept. 15 eruption, a photo shows Ear Spring hot spring in Yellowstone still boiling the next day, with rocks and other debris scattered after the ejection shot them out of the spring, ...

BILLINGS, Mont. (AP) — A surprise eruption of steam in a Yellowstone National Park geyser basin that sent people scrambling for safety as basketball-sized rocks flew overhead has highlighted a ...

Yellowstone National Park is one of the most popular and fascinating parks in the U.S. Naturally, there are quite a few ...

This is an archived article and the information in the article may be outdated.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. BILLINGS, Mont. (AP) — A surprise eruption ...