Plesiosaurs were long-necked reptiles that lived in the ocean during the time of the dinosaurs. While the area where this ...

Alexander Behm sails the North Sea and bounces sound waves off its bottom ... Marie Tharp, studying echo soundings, discovers that the Mid-Atlantic Ridge conceals a long rift valley, which ...

The 28-day expedition to this submerged mountain — part of a range called the Nazca Ridge that rests along the Pacific's deep ...

An expedition to a deep-sea ridge, just north of the Hawaiian Islands, revealed a surprise discovery back in 2022: an ancient ...

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 ...

After spending nearly 7,000 years buried deep in the mud of the Baltic Sea without light or oxygen, tiny algae have come back ...