“Even more colossal” is the way University of Utah researchers now describe the Yellowstone super volcano, which lies under the Wyoming’s northwest corner, after discovering that it is over twice as ...

Yellowstone National Park has one of the largest volcanic systems on our planet. Its vast caldera stretches across much of the park's area and has given rise to some of the popular geysers, hot ...

Italy’s Campi Flegrei volcano is depicted in Greek and Roman mythology as the entrance to the underworld. Its eruptions thousands of years ago... Is Italy’s Super Volcano Getting Ready to Erupt? Italy ...

ch. 1. The big blast -- ch. 2. Yellowstone today -- ch. 3. Natural wonders -- ch. 4. Evolving geology -- ch. 5. The Yellowstone puzzle -- ch. 6. Distant death -- ch ...