A "sharp, volatile-rich cap” about 2.5 miles under Yellowstone’s surface “acts like a lid,” trapping pressure and heat that ...

What we’ve found is that this reservoir hasn’t shut down — it’s been sitting there for a couple million years, but it’s still ...

Scientists have studied Yellowstone National Park's magmatic system for years, but a new view of the magma chamber shows the ...

This venting process serves as something of a natural pressure-release valve that lowers eruption risk. "By identifying this ...

A new study shows a volcanic eruption of Yellowstone may be even less likely than we thought: Scientists have discovered a ...

Yellowstone is using a 53,000-pound vibrator truck to create custom-made earthquakes to study the supervolcano the park sits ...

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

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

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

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

Basically, the long-dormant Yellowstone volcano is at no immediate risk of eruption. "We're only seeing ... seven to 15% molten material in this magmatic system, and typically, you need to have at ...

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