Ever been mesmerized by the swirling colors of Grand Prismatic Spring and wondered what fuels that otherworldly boil? It ...

Geoscientists have discovered a magma cap at Yellowstone National Park that is likely playing a critical role in preventing a ...

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

Kenneth Sims and other research scientists recently discovered that mafic volcanism of Henrys Fork Caldera -- located in ...

A "breathing" cap of magma has been discovered by scientists just 4km under Yellowstone National Park. Yellowstone National ...

Underneath Yellowstone National Park, magma bubbles and flows. But exactly how close it is to the surface has long been a ...

Mount Spurr, a volcano 78 miles from Anchorage, is being monitored for signs of a possible eruption. If it blows, Mount Spurr ...

The Yellowstone volcano could be nearing an eruption, according to a recent study revealing that the magma chamber is moving closer to the surface. Scientists now estimate that the magma lies just 3.8 ...