A new deep-ocean record has been set for a scientific drilling operation. Researchers working off the coast of Japan lowered a giant piston corer through more than 8km of water in order to pull ...

Jamstec On May 14, the ship's crew aboard the Japanese research vessel Kaimei lowered a giant piston corer 26,322 feet (8,023 m) through the Pacific Ocean into the Japan Trench.