Add Yahoo as a preferred source to see more of our stories on Google. Image of active volcano shows magma pressure inside volcanoes can destabilize slopes and trigger collapse. (CREDIT: YouTube / CC ...

Most webcams used by the USGS Hawaiian Volcano Observatory take a snapshot every few minutes to conserve bandwidth, but three webcams are currently “livestreaming” — meaning they transmit real-time ...

Taftan volcano in southeastern Iran rose 3.5 inches over 10 months, signaling that it is waking up after 700,000 years of dormancy.

Learn about how volcanoes are formed and the ways they erupt Chiara Maria Petrone, Roberto Scandone, and Alex Whittaker On February 20, 1943, Dionisio Pulido and his family were working in their ...

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, ...

Scientists have uncovered a long-missing piece of the volcanic puzzle: rising magma doesn’t just form explosive gas bubbles when pressure drops—it can do so simply by being sheared and “kneaded” ...