The ground at Yellowstone does not always move quietly, and sometimes it waits for years before suddenly coming back to life.

Yellowstone National Park visitors were startled last month by an unexpectedly fierce hydrothermal explosion – an eruption of underground hot water – that spewed steam, boiling water, mud, and ...

Eruptions from the Lone Star Geyser send steaming hot water 45 feet into the air in Yellowstone National Park. (Clark Corbin/Idaho Capital Sun) In the monthly seismicity reports for Yellowstone, it is ...

Yellowstone National Park is known for its awe-inspiring beauty and unique geological features. It is a place where geysers erupt, hot springs bubble, and wildlife roams freely. Beneath its ...

Ask any geologist about the magma reservoir beneath Yellowstone, and they'll tell you that it's there. But where, exactly, is a lot tougher to explain. A new paper published in Nature suggests, ...