“We are creating the fiery equivalent of an ice age”: humans have plunged the Earth into a “pyrocene”
Scientists have discovered giant reservoirs of magma hidden beneath dormant volcanoes in the Cascade Mountains.
Earth from Space: Spirit Lake, a heart-shaped lake formed by the massive eruption of Mount St. Helens
Earthquakes at Alaska's massive Mount Spurr volcano have increased again — and there's now a 50/50 chance of an eruption