The discovery of 86,276 previously undetected earthquakes beneath Yellowstone has reignited public anxiety about the park’s vast supervolcano and what it might be quietly preparing underground. The ...

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 ...

Across the United States, scientists who track the country’s most powerful volcano systems are picking up new signals that ...

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 ...