At the turn of the millennium, researchers uncovered a site near the summit of an underwater mountain range in the mid-Atlantic Ridge ... and other gases into the ocean. While the mantle layer ...

Marie Tharp’s maps of the Atlantic Ocean floor did more than just reveal an underwater mountain range—they transformed the ...

Instead of forcing the ground up, the two plates in the middle of the Atlantic Ocean are actually moving apart in opposite directions. The Andes are the world's longest mountain range. This causes ...

or even the Mid-Atlantic Ridge deep in the ocean. Some mountain ranges are formed when two sections of the Earth’s outer surface, called tectonic plates, push against each other and the pressure ...