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.

After a thermal explosion at Biscuit Basin, the Yellowstone Volcano Observatory unveils a new safety plan to enhance ...

Data could help to reveal the warning signs of potentially dangerous eruptions caused by liquid groundwater abruptly turning into gas.

The seismic activity on May 29 was much smaller than the July 2024 explosion that closed Biscuit Basin On May 31, 2025, a webcam in Yellowstone National Park detected a small explosion in the ...

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 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.

YELLOWSTONE NATIONAL PARK — A small eruption at Yellowstone National Park was recently caught on camera, but scientists say it’s just the latest in a series of blasts they’ve been tracking ...

Yellowstone’s magma chamber is mostly made of a light-colored rock called rhyolite. It spreads out over an area roughly 55 miles long and 30 miles wide and reaches down to a depth of about 10 miles.

YELLOWSTONE NATIONAL PARK, Wyo. (AP) — A bison gored a man Tuesday after a large group of visitors got too close to the animal in Yellowstone National Park, officials said.