Yellowstone National Park sits atop one of the most studied volcanic systems on Earth, and the question of what a full-scale ...

Olympus Mons, a shield volcano on Mars, is the largest volcano in the solar system, measuring approximately 370 miles in diameter and 26 kilometers in height. The formation of Olympus Mons and three ...

Deep under the western United States, two of the planet’s largest volcanic systems are quietly reshaping rock and gas. In ...