Widely shared social media posts claimed a massive underwater volcano "the size of a city" was "showing signs it could erupt ...

A massive volcano has shown critical signs that an eruption could be coming soon, but experts have said that there may be no way of telling when it'll blow.

Axial Seamount, an underwater volcano located off the coast of Oregon, is on the verge of erupting as experts have observed an uptick in seismic activity.

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

Volcanoes across several US states have recently become active, while no immediate danger is reported, experts remain ...

Lava in Hawaii, seismic shaking in Alaska and underwater rumblings near Oregon. Scientists say it’s not the end of the world, ...

Pillars of hot rock appear to connect continental-size moving blobs at the bottom of Earth's mantle to giant volcanic ...