T he McDermitt Caldera, an ancient supervolcano straddling the Nevada-Oregon border, may hold the world’s largest lithium deposit ever discovered. With estimates ranging between 20 and 40 ...

Geoscientists have discovered a magma cap at Yellowstone National Park that is likely playing a critical role in preventing a ...

Researchers believe rainfall and flooding changed the landscape of the arid desert to a green area some 8,000 years ago.

A $400 billion lithium deposit under an American supervolcano offers promise and peril. Will the U.S. mine it—or protect its unique environment?

Travel through one of the largest calderas in the world at Mt. Aso in Kumamoto Pref. The caldera has fertile ground to sustain crops and livestock.