The world's largest acidic geyser has begun erupting again in Yellowstone after slumbering for over five years, the national ...

A series of explosions created a silica-filled water pool to the left of Tree Basin in Yellowstone National Park.

Yellowstone National Park has always been a hotbed of geologic chaos. Now, it has a fresh wound to prove it. In the Norris Geyser Basin, a series of hydrothermal explosions carved out a new ...

In early February 2026, repeated surges of the geyser began—as before, with the surface becoming agitated and releasing more ...

YELLOWSTONE NATIONAL PARK — The United State Geological Survey is reporting a small eruption occurred at the Black Diamond Pool in the Biscuit Basin, which was the site of a hydrothermal explosion ...

Old Faithful Visitor Center The Old Faithful Visitor Center has great information on the geyser and surrounding area. There is a help desk staffed by National Park Service employees and volunteers ...

A big, messy surprise greeted Yellowstone National Park early Saturday morning, just as winter officially began. At around 9:23 a.m., a powerful mud eruption took place at the Black Diamond Pool in ...