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 ...

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

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.