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

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

The hidden magma cap isn’t just a blob of hot rock, it's actually responsible for keeping the super volcano in check. The cap is made up of molten silicate materials, supercritical water—a ...