Captured by the Copernicus Sentinel-2 mission on 21 August 2019, this image features a huge raft of pumice rock drifting in the Pacific Ocean. The pumice is believed to have come from an underwater ...

(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 ...

An underwater volcano is thought to have produced a sheet of pumice that stretches 58 square miles. A massive raft made of pumice stones is floating toward Australia, carrying marine organisms that ...

Add Yahoo as a preferred source to see more of our stories on Google. You've likely used a pumice stone to slough off calluses, exfoliate dry skin and soften elbows, but you may not know that the ...