Visual observations have been a backbone of volcano research more than 2,000 years and remain fundamental to understanding ...

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 ...

Heading to the Big Island and hoping to see real lava on your Hawaiian vacation? Scroll to find out everything you need to know in this guide to Hawaii Volcanoes National Park, the only UNESCO World ...

Deep below the Pacific, a restless seafloor volcano off Oregon is showing signs it may soon stir again. Axial Seamount, a submarine volcano located nearly a mile beneath the ocean surface, is flexing ...