More than 60 meters of pale carbonate towers hike up out of the Atlantic seafloor created by chemistry instead of magma and ...

Close to the summit of an underwater mountain west of the Mid-Atlantic Ridge, a jagged landscape of towers rises from the ...

Deep below the surface of the ocean, a "lost city" rises from the depths. This so-called city is a combination of massive columns and carbonate walls, the result of hydrothermal activity within the ...