In May 2023, scientists achieved a significant milestone by drilling the deepest core ever into the Earth's mantle, recovering serpentinized peridotite—a rock altered when saltwater interacts with mantle material. This core was extracted 800 meters south of the Lost City hydrothermal field on the Mid-Atlantic Ridge, using the JOIDES Resolution, a 470-foot research vessel funded … [Read more...] about Scientists Drilled So Deep Into the Center of the Earth, They Knocked on the Mantle’s Door