Scientists uncover surprising evidence that the Kerguelen hotspot, responsible for the 5,000-kilometer-long Ninetyeast Ridge, ...

Scientists brave the desert's hardships for a different reason. The Afar is one of the few places on Earth where an undersea ridge—a jagged volcanic seam where magma oozes up and becomes new ...

This expedition was the first use of closely spaced echo sounders to map deep sea topography and the first ... found that a continuous mountain-like ridge runs through the Atlantic to the ...