Deep-sea researchers have launched a groundbreaking project to investigate "dark oxygen"—a form of oxygen produced in total darkness on the ocean floor. The initiative follows last year's discovery of ...

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More than 71% of Earth is covered by oceans, but about 95% of them remain unexplored. Only about 20% of the seafloor has been ...

A photographer captured this extraordinary site where whales' bodies lie in the shallows, with troubling repercussions for the deep oceans.

OSLO (Reuters) - The permanent darkness of the ocean depths is home to a far greater range of animals, from luminous jellyfish to tubeworms that live off oil seeping from the seabed, than previously ...

A bizarre new predator has been discovered lurking 26,000 feet below the ocean's surface and has been named after its pitch-black home. The new crustacean was discovered deep in the Atacama Trench ...

A deep-sea camera just recorded something no one expected to find in Antarctica's freezing ocean.