McDermitt Caldera in Oregon is attracting attention for what could be one of the largest lithium deposits ever identified in ...

Yellowstone may look like a protected American wilderness, but the transcript describes a supervolcano underneath it with enough force to change the planet. Its largest known eruption released 2,450 ...

Yellowstone is home to the world’s largest-known hydrothermal explosions, including Mary Bay, Turbid Lake, and Elliott’s ...

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

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