TOM MURPHY, NATIONAL GEOGRAPHIC CREATIVE

Yellowstone Super Volcano May Erupt Sooner Than Anticipated

Steam rises off the Grand Prismatic Spring, one of the most stunning hydrothermal features in Yellowstone National Park. If the supervolcano underneath Yellowstone erupts again, we may have far less advance warning time than we thought. After analyzing minerals in fossilized ash from the most recent mega-eruption, researchers at Arizona State University think the supervolcano […]