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

Scientists reveal new details about the 5.3-million-year-old flood, which triggered earthquakes, generated tropical-storm ...

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 ...

It's an underwater chain of mountains 47,000 miles long. The chain runs down the middle of the Atlantic Ocean (surfacing at Iceland), around Africa, through the Indian Ocean, between Australia and ...