“The western part of the Yellowstone caldera is waning,” said Ninfa Bennington, a volcano geophysicist with the U.S. Geological Survey ... produces more precise maps of the large reservoirs ...

The column, called Yellowstone Caldera Chronicles ... and contributing to the U.S. Geological Survey National Seismic Hazard Maps," Gavillot said. Emily Mae Czachor is a news editor at CBSNews.com.

This is the conclusion of a new study by researchers from the United States Geological ... made previously to map out the distribution of magma beneath the Yellowstone Caldera—but such have ...

Yellowstone National Park contains the world’s largest concentration of geothermal features. In fact, this is the primary ...

Tom Howarth is a Newsweek reporter based in Bristol, U.K. His focus is reporting on nature and science. He covers climate change, biodiversity, extreme weather, zoonotic diseases and more.

fieldwork over the past year has provided new geological evidence that "the formation of Yellowstone Caldera was much more complex than previously thought." A caldera is a large crater that forms ...

which is why Yellowstone is sometimes referred to as a supervolcano. The giant eruptions occur every 600,000 to 800,000 years on average, the USGS says. The last giant eruption at Yellowstone was ...