An island could form in the Bismarck Sea, north of Papua New Guinea, as a new underwater volcano erupts close to the surface.

A volcano in the Pacific Ocean is making headlines as it shows signs of forming a new island. This geological phenomenon provides a unique opportunity for scientists to observe island formation in ...

Deep in the south Pacific Ocean, near the remote Solomon Islands, there's a volcano unlike any other on earth. For one, it's underwater; and secondly, it's extremely active. Kavachi, it's called. And ...

Did you hear about the underwater eruption in the Pacific Ocean? It's making the water fizz like a giant, natural soda! This ...

Rising mantle temperatures and two heat surges may explain why some Hawaiian volcanoes grew exceptionally large.

The Ring of Fire is a roughly 25,000-mile chain of volcanoes and seismically active sites that outline the Pacific Ocean.

Two weeks ago, the Philippine Institute of Volcanology and Seismology recorded three distinct, short-lived explosions in less than five minutes at Taal Volcano. The eruption sent a column of ash and ...

Less than a week after a massive 8.8-magnitude earthquake sparked tsunami warnings throughout the Pacific Ocean, a volcano in far eastern Russia, on Sunday, spewed hot ash miles into the sky, marking ...

Hundreds of miles off the coast of Oregon, Deb Kelley watched a pod of dolphins swim past the research vessel Atlantis as the sun set on the Pacific Ocean. But beneath the calm seas lurked a behemoth: ...