Scientists have studied Yellowstone National Park’s magmatic system for decades, which makes the iconic geysers, mud pots and ...

Jonathan Newton / The Washington Post via Getty Scientists discovered a magma cap under the surface of Yellowstone National Park The cap acts as a lid, making sure the pressure and heat below ...

Beneath Yellowstone lies a magma reservoir, pulsing with molten and superheated rock and exsolved gases. Scientists have long ...

Yellowstone is most famous for huge explosive eruptions that create large calderas. Outside Yellowstone Caldera, however, ...