An increase in seismic activity has prompted predictions that a mile-wide submarine volcano named the Axial Seamount will ...

Long-quiet volcanoes in the Cascades region of the Pacific Northwest are still underpinned by large reservoirs of magma, new research finds. The findings have implications for monitoring volcanoes ...

One of the world’s most active volcanoes, located in Kilauea, Hawaii, erupted for the seventh time since December on Monday ...

A tall fountain of lava is spewing from a volcano on Hawaii's Big Island. A webcam on Tuesday shows vigorous streams of red ...