While the Yellowstone volcanic system is synonymous with massive explosive eruptions, the current state of the magma chamber remains mostly solid. Geological experts note that no major volcanic ...

Yellowstone's dynamic underground hydrothermal system remains a scientific enigma. Recent studies reveal a complex network of ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week’s contribution is from Pat Shanks, emeritus research ...

Add Yahoo as a preferred source to see more of our stories on Google. Yellowstone's Black Diamond Pool experienced another hydrothermal explosion this morning, the same site that damaged boardwalks in ...

YELLOWSTONE, Montana (KIFI) — The United States Geological Survey has released footage of a sizeable hydrothermal eruption at Black Diamond Pool. This latest event marks the second time the ...

A hydrothermal explosion at Yellowstone National Park sent steam, mud, and debris high into the air. The dramatic event poses no broader volcanic threat.

A “localized” hydrothermal explosion at Yellowstone National Park sent terrified people running and forced officials to close Biscuit Basin, which contains several geysers, on Tuesday, July 23, parks ...

A muddy eruption at Black Diamond Pool in Yellowstone National Park has been captured on camera. The video was recorded by the Yellowstone Volcano Observatory webcam Saturday morning. They said the ...