Yellowstone National Park, with its breathtaking landscapes and diverse ecosystems, is home to one of the world’s most famous ...

Visitors to Yellowstone ran for their lives last ... be 'in bad shape,' if the park's 43-by-28 mile-wide 'caldera' were to blanket the sky in volcanic ash. 'Ash is heavy,' Poland, a research ...

One of the most closely studied and potentially dangerous supervolcanoes today is located in the United States: the Yellowstone Caldera in Wyoming. Although it lies beneath the serene and scenic ...

Yellowstone is famous for its volcanic landscapes, erupting geysers and colorful hot springs. The park is also unique because ...

Left behind is a giant caldera, from the Spanish word for "cauldron." The "hot spot" responsible for the Yellowstone caldera has erupted dozens of times in the past, going back some 18 million years.

The Yellowstone supervolcano is a vast reservoir of magma with the potential to unleash a category eight eruption over 100 times more powerful than Krakatoa. Thankfully, Yellowstone has never ...

Yellowstone volcanism has produced some of the youngest rocks in North America. This same region also features some of the ...

We know that a supervolcano, Yellowstone, is located practically in our backyard. The region is constantly going through geological changes, as there was a recent discovery of a new volcanic vent in ...

A group of US Geological Survey (USGS) geologists have discovered signs of rhyolitic volcanism in the northeast-shifting Yellowstone caldera. The Yellowstone Caldera, a volcanic caldera and ...

Editor’s Note: This story accompanies the May 2016 issue of National Geographic magazine, devoted entirely to America’s first national park. Find more at natgeo ...

and that it hasn't grown larger or closer to erupting. They estimate the annual chance of a Yellowstone supervolcano eruption is 1 in 700,000.

A brewing supervolcano eruption. The fear of a Yellowstone supereruption ... to navigate. And ash in the sky disrupts air travel by blocking visibility and interfering with electronics.