Submarine volcanoes, volcanic structures hidden beneath the ocean surface, play a vital role in shaping Earth’s geology and marine ecosystems. Formed through tectonic plate movements, rising magma, ...

On land, a volcanic eruption is dramatic—columns of ash, fountains of lava, a complete remaking of the terrain. “We never know when it’s happening, even though it’s probably happening all the time,” ...

A volcano is erupting under the ocean in the Bismarck Sea, prompting warnings of possible tsunamis from authorities as ash and smoke billow into the sky. Papua New Guinea authorities have warned of ...

Ancient magma tore through the Pacific plate, leaving hidden rock scars that still reshape seismic waves beneath Earth’s ...

We've gone to the bottom of the ocean to study how its chemistry shapes our planet's climate, even chasing lava-spewing underwater volcanoes to do it. But it turns out we may have missed something far ...

You might not know it, but Ireland is dotted with extinct volcanoes that have shaped the island we know and love today ...