Researchers diving in a submersible in the eastern Pacific realized that the landscape they had studied the day before had ...

The ocean's deep-sea bed is scattered with ancient rocks, each about the size of a closed fist, called "polymetallic nodules.

The largest biome on Earth, the deep-sea, is a dark, barren place and the distance between individuals that live there can be vast, Kenaley said. Most animals in this realm produce their own light ...

Deep-sea mining could unleash clouds of debris that threaten a mysterious, vital ecosystem we barely understand.