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

Despite the catastrophic potential, the likelihood of a Yellowstone supereruption remains very low. The United States Geological Survey (USGS) estimates the annual probability of such an event at ...

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 ...

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

Volcanoes have stirred human awe for thousands of years, with their bursts of fire and rivers of molten rock. Yet, beyond the ...

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 ...

Scientists have uncovered a ‘lid’ that’s keeping a Yellowstone supervolcano from erupting. The shocking discovery was made by a team of geologists in an underground reservoir of magma. The Yellowstone ...

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

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

It turns out that beneath the wild expanse of Yellowstone National Park lies one of the most closely watched volcanic systems on Earth. And while the massive supervolcano beneath the park has long ...

Yellowstone Caldera Chronicles is a weekly column written ... This week's contribution is from Cole Messa and Ken Sims, from the University of Wyoming, and Mark Stelten, geologist with the U.S ...