Supervolcanoes are in a class of their own ... they often form as massive calderas—huge sunken areas created when the magma chamber empties and collapses. Their eruptions sit at the top of ...

Two unique types of granite formed far from each other ... A batholith is a vast amount of magma that was once underground in the dark, feeding volcanoes, and that red hot molten magma, the ...

Geoscientists discovered a magma cap acting as a "lid" 2.4 miles beneath Yellowstone. This magma cap traps heat and pressure, but also allows gas to vent, reducing eruption risk. Seismic imaging ...

The loss of the magma played a crucial role in the moon's landscape formation. There was once a magma-filled ocean on the south pole of the moon, scientists recently discovered after analyzing ...