The ground beneath our feet never felt more restless. Something's happening around the massive horseshoe that circles the ...

The Ring of Fire is an enormous belt of active and dormant volcanoes that surrounds most of the Pacific Ocean. It runs from southern Chile, up the west coast of the Americas, through the islands off ...

Volcanoes in Alaska, Washington state, Oregon and Hawaii have been rumbling and even spewing lava, enough to spark a swarm of news stories. But despite the jolts and temblors, geologists say there's ...

As Hawaii prepares for a possible "explosive eruption," confusion has arisen about the relationship between Kilauea and the West Coast's "ring of fire" volcanoes. But experts say there's not cause for ...