The Atlantic island of Bermuda has long looked like a geological magic trick, a lonely volcanic peak apparently hovering in ...

A VOLCANIC eruption off New Zealand has brought one of the largest marine phenomena in 50 years to the Great Barrier Reef. What is it? Pumice is the light and porous rock found on beaches. It forms ...

From A to H, light-gray pumice, black pumice, brown pumice, gray-banded pumice, black-and-white-banded pumice, white pumice, pink pumice, and obsidian-bearing pumice. I, J, and K show goose barnacles, ...

The presence of pink pumice in the giant pumice raft of the 2012 Havre that drifted across the southwest Pacific Ocean has led researchers to recognize the immense power of underwater volcanic ...

The expeditionary sea base Miguel Keith, shown here in August, was nearly taken out of commission last month after debris from an undersea volcano jammed up critical systems. (Navy) The brand-new ...

A mass of floating rock from a volcanic explosion underwater in 2019 has arrived at Australia, where it could help the Great Barrier Reef recover. The reef is struggling with symptoms related to ...

Associate Professor Scott Bryan, who has been studying the impact of pumice rafts for nearly 20 years, was part of an international team that earlier this year used underwater robots with cameras and ...

A giant floating raft of volcanic rock called pumice could have drifted across an ancient Martian ocean and created one of the most mysterious features we can see on the planet’s surface today. The ...

The source of an enormous pumice stone spotted floating in the Pacific Ocean has been discovered. The raft, which measures about 52 square miles—twice the size of Manhattan and bigger than Paris—was ...

Since August a large accumulation of pumice has been drifting in the Southwest Pacific towards Australia. Researchers have now identified the origin of this pumice raft. It is a so far nameless ...

(LONDON) — Sailors in the South Pacific were surprised this month to find themselves sailing through a sea of stone. Australian couple Michael and Larissa Hoult were on their yacht en route to Fiji ...