Every day, blocks of cooling rock tumble from the edges of a growing lava dome near the top of Great Sitkin Volcano, a 5,710-foot stratovolcano rising from the central Aleutian Islands roughly 26 ...
Hawaii’s Kīlauea volcano erupted for the 49th time on Sunday, blasting lava and thick plumes of smoke high into the air.
In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world's most active and whose eruption could affect millions of people. Its mission: figure ...