A “raft” of floating pumice rock the size of Manhattan is drifting towards Australia, bringing along with it new marine life that could help with the recovery of the Great Barrier Reef’s corals, half ...

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 ...

A "raft" of light, porous volcanic rock that's as big as the island of Manhattan is floating toward Australia, and it could spell relief for the embattled Great Barrier Reef. Satellite images provided ...

This week, the tides were back to normal after the hurricane in the Gulf, making for better access to the beaches. Among the beachcombing finds were sand dollars, sargassum and pumice stone. Pumice, a ...