Yellowstone's supervolcano appears to have a magma cap that vents pressure and reduces the chances of a massive eruption ...

A recent study discovered the exact location of the Yellowstone supervolcano's magma cap -- and hints at when it may erupt.

Watch the world's largest smoke bomb in action.

Scientists found that a "cap" of bubbles and magma stands between the magma reservoir underneath Yellowstone National Park ...

For decades, scientists knew magma was simmering beneath the earth at Yellowstone National Park. A team of researchers ...

For the first time, geoscientists detected the top of Yellowstone’s magma reservoir. It is active and dynamic, but not in ...

More than 13,000 acres are burning in New Jersey as winds are expected to continue Thursday and smoke will hit the New York City area.

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

Scientists at Yellowstone National Park have uncovered a large, underground magma cap that is likely crucial to containing ...

Scientists have discovered a giant 'magma cap' under Yellowstone National Park. The cap is likely playing a critical role in ...

A "breathing" cap of magma is stopping one of the largest active volcanic systems in the world from exploding in the US, ...

Yellowstone Caldera, the volcanic complex underneath Yellowstone National Park, is held at bay from eruption by a cap 3.8 ...