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 ...

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 ...

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