Located midway between Europe and North America, the Azores are a group of nine Portuguese volcanic islands known for their ...

A restive volcano in central Philippines has briefly erupted, spewing a 2.8-mile ash plume and debris into the sky ...

A massive underwater volcano off the Oregon coast, known as the Axial Seamount, may erupt as soon as tomorrow, scientists warn. The seafloor has swelled to levels seen before its last major eruption ...

Something is brewing a few hundred miles off the coast of Oregon. An underwater volcano known as Axial Seamount is showing ...

Half a century after the world's first deep sea mining tests picked nodules from the seafloor off the US east coast, the damage has barely begun to heal. As wind farms expand, some can ...