While officials have said the hydrothermal explosion in Yellowstone earlier this month isn't a warning sign of impending doom, it's hard not to wonder what a 'supereruption' could look like.

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

If you think the air quality in Denver is bad now, imagine if there were a large volcanic explosion at Yellowstone National Park.

If you think the air quality in Denver is bad now, imagine if there were a large volcanic explosion at Yellowstone National Park.

While officials have said the hydrothermal explosion in Yellowstone earlier this month isn’t a warning sign of impending doom, it’s hard not to wonder what a ‘supereruption’… ...

Eruptions of the Yellowstone volcanic system have included the two largest volcanic eruptions in North America in the past few million years; the third largest was at Long Valley in California and ...