Most tourists who visit Yellowstone National Park snap photos of Old Faithful and stroll past bubbling mud pots, never ...

Kablooey!” That's the word U.S. Geological Survey volcanic experts used to describe a muddy eruption at Black Diamond Pool in ...

A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it's visible from a road rather than any significant change in the park famous for its ...

A muddy eruption at Yellowstone National Park was just captured on camera in an area that has been closed to the public for ...