Great Sitkin volcano, sitting in Alaska’s central Aleutian Islands, has been slowly pushing lava out of its summit crater ...

A submarine eruption north of Papua New Guinea may be building new land while satellites track its evolution from above.

Have you ever wanted to stare directly into a volcano? Well, the U.S. Geological Survey just made it possible with a new ...

Scientists have uncovered a new explanation for what powers Yellowstone and other supervolcanoes. Instead of a deep plume rising from near Earth’s core, a broad “mantle wind” may push hot rock beneath ...