On the morning of June 21, visitors at Grand Prismatic Spring in Yellowstone National Park observed a bison slip into a ...

Tourists and officials were startled by a hydrothermal explosion at Black Diamond Pool in July 2024. Geoscientists are working out how and why it occurred to better understand these hazardous events.

The recent death of a bison at Grand Prismatic Spring is an emphatic example of the danger posed by thermal areas in ...

Yellowstone National Park has a new plan for dealing with geologic hazards like thermal explosions and earthquakes for the ...

What if you only had a day or two to spend in Yellowstone National Park? Where would you go? What would you photograph? If ...

This frame capture of a video from a webcam shows a small eruption emanating from Black Diamond Pool in Biscuit Basin, a subbasin of Upper Geyser Basin in Yellowstone National Park, on May 31, 2025.

This frame capture of a video from a webcam shows a small eruption emanating from Black Diamond Pool in Biscuit Basin, a subbasin of Upper Geyser Basin in Yellowstone National Park on May 31.

This is an aerial view of Biscuit Basin in Yellowstone National Park showing debris deposited by the July 23, 2024, hydrothermal explosion from Black Diamond Pool. Major features are labeled.

The webcam captured a small eruption at Black Diamond Pool in Yellowstone 's Biscuit Basin − just north of Old Faithful − at 8:39 p.m. MDT on May 31, according to the U.S. Geological Survey.

Fire is key to the ecology of the Greater Yellowstone Ecosystem, according to Yellowstone National Park. For the first 100 years, managers extinguished fires to preserve park resources.