A hydrothermal eruption sends muddy water and steam flying at Yellowstone National Park.

Yellowstone eruptions may be driven by shifts in Earth's crust, rather than a deep well of magma, study finds.

Scientists say the 19-mile-wide bulge in the northern rim of a volcano's caldera in Yellowstone has stopped growing. The head ...

A fresh eruption at Yellowstone’s Black Diamond Pool, likely the largest since July 2024, highlights the ongoing hazards in ...