Dozens of people have died, hundreds are missing and many more homes were destroyed after separate volcanic eruptions in Hawaii and Guatemala that made headlines worldwide in recent months. And ...

Add Yahoo as a preferred source to see more of our stories on Google. An aerial view of the Crater Lake Caldera in Oregon. Obviously, visible lava spewing from a volcano’s caldera, like Hawai’i’s ...

ANCHORAGE, Alaska (KTUU) - The Alaska Volcano Observatory has seen an increase in volcanic gas emissions from Mount Spurr during flyovers in the last week. The observatory says that new magma ...

Kilauea is one of the most active volcanoes in the world with eruptions common both at its summit caldera and within its two rift zones. Frequent earthquakes associated with volcanic activity can ...

A Martian volcano once thought to be the result of a single eruption turns out to have a much more complex past. Orbital imaging and mineral data show it developed through multiple eruptive phases, ...

Mount Rainier - one of many volcanoes found in the Cascade Range - is reflecting in the Reflection Lakes in Mount Rainier National Park in Washington State, USA. A seismic survey challenges the long ...