Yellowstone is one of the world's largest volcanic systems. The volcano has blown big on three occasions in the last 2.1 million years — the most recent was 640,000 years ago and covered 2,900 ...

Geoscientists have discovered a magma cap at Yellowstone National Park that is likely playing a critical role in preventing a massive eruption in one of the largest active volcanic systems in the ...

The Yellowstone Caldera, a volcanically active region under and around Yellowstone National Park, has long been the subject of research, speculation and science fiction regarding the possibility ...

(Photo by Fielding Buck, The Press-Enterprise/SCNG) Kelly’s creations have a lot more bling than the hats in the Yellowstone activation. “I started Los Angeles Cowgirl a little over three ...