A mysterious crater on Pluto may not be the result of an ancient impact but rather the collapsed caldera of a massive icy supervolcano that erupted just a few million years ago. A Recent studies based ...

The current eruption at Kīlauea in Hawai'i that started just before Christmas is still rolling along. The activity from the major vents on the edge of the Halema'uma'u crater has waxed and waned some, ...

Valles Caldera National Preserve in the Jemez Mountains is worth driving across the country to see. It is the floor of a collapsed supervolcano that exploded over 1.2 million years ago. Seeing it from ...