Deep below the surface of the ocean, bacteria and critters that feed off nutrients spouting from hydrothermal vents met with ...

Only about 20% of the ocean’s depths has been mapped by humans. Here’s what we do — and don’t — know about the deep seas and why studying them is so precarious.

When Hans Hartman, a civil engineer, attempted to film the ocean depths in 1917, he pioneered what would become the first deep-sea ROV, or remotely operated vehicle.During an era of silent movies ...

Deep ocean exploration began with the diving bell: a rigid structure that contains air, used to transport divers to an area for underwater work. It was known to Aristotle in the 4th century BC.

From a golden orb to plastic waste found at the ocean’s lowest point, ... It’s a unique and fascinating mating ritual happening deep underwater. 6 / 9. The Yonaguni structures.

The biological reasoning is sound. Deep in the ocean, cold water slows embryonic development dramatically; skate eggs take a decade or more to hatch.

"Dark oxygen" is being produced deep in the ocean, and scientists are baffled by the strange phenomenon, according to a new study. In science class, kids learn that plants need sunlight to do ...

Almost three-quarters of our world is covered in saltwater, and, on average, the ocean is about 12,100 feet or 2.3 miles deep. But in certain places, the sea floor plummets to truly astonishing ...

UK-based DEEP is developing the Sentinel system, shown in this render. DEEP says Sentinel – a modular, reconfigurable underwater habitat – will enable humans to stay at depths of 200 meters ...

Rare metals on deep sea and ocean floors miles below the surface produce "dark oxygen," and mining these minerals could cause potentially harmful changes to the marine ecosystem, according to new ...

A UK team has revealed plans to build an incredibly ambitious underwater habitat named Sentinel. Assuming it goes ahead, it could revolutionize deep sea research by allowing scientists to live ...