Scientists have discovered three large underwater volcanoes and the wreckage of a sunken ship measuring more than 300 feet in length. The discoveries came during an expedition called M191 SUAVE ...

Scientists recently discovered a chain of underwater volcanoes off the Cook Islands, providing fascinating hints of Earth’s active geological processes. These volcanoes are located below the ...

A decade ago, we knew of almost 25,000. One study has discovered an additional 19,000. And we know there are even more out there.

Over 19,000 new underwater volcanoes have been discovered across the ocean floor by scientists. The team of oceanographers from the Scripps Institution of Oceanography at the University of ...

Scientists are for the first time investigating how dangerous a major underwater volcano eruption could be to Santorini.The postcard perfect Greek island, which is a huge tourist destination, was ...

One of the Pacific Ocean’s lesser-known volcanoes will blow its vent in the coming months, causing 10,000 earthquakes in one day. Here’s what scientists are saying.

Some of the known submarine volcanoes could pose a significant hazard to nearby populations. Marsili, a 1.8-mile-tall volcano beneath the Tyrrhenian Sea, sits a mere 109 miles south of Naples.

One of the Pacific Ocean’s lesser-known volcanoes will blow its vent in the coming months, causing 10,000 earthquakes in one day. Here’s what scientists are saying.

A series of relatively young underwater volcanoes has been discovered under the waves of the Pacific Ocean, some of which may even be active. The volcanoes were found during an expedition to map ...

The Mariana Trench is one of the ocean's biggest enigmas, housing untold marine life and geological features within its nearly 7-mile depths. A new ocean expedition aims to unfold some of those ...

A newly-deployed satellite has created the most-detailed map yet of the ocean floor, finding hundreds of hills and underwater volcanoes that were previously missed. A new satellite has mapped ...