When you picture a volcano, what do you see? I personally imagine a mountain sticking up into the sky. At the top of that mountain, I see a crater with a fiery hot lake boiling and roiling in it, or ...

Miles beneath a giant oval-shaped crater punctured in Yellowstone National Park, Wyoming, is a hotbed stirring with restless, agitated magma. It is one of the most aggressive supervolcanoes in the ...

An underwater volcano off the coast of Oregon that was forecast to erupt sometime this year doesn’t look imminent, according to volcanologists who are closely monitoring it. The Axial Seamount is ...

Hawaii’s Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet into the air and across a section of its summit crater floor. It was Kilauea’s 31st display of molten rock since ...