A layer of magma has been discovered 2.4 miles below Yellowstone that releases gases and prevents eruptions, according to ...

Yellowstone National Park sits atop the world's most famous supervolcano. If it erupted, ash and molten rock would spew across much of the continental United States, devastating the country and ...

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

The last major eruption of the Yellowstone supervolcano happened around 630 000 years ago, and was violent enough to create a collapsed crater, or caldera, over 60 km across. Though it shows no sign ...