A U.K. startup wants to be the SpaceX of the deep sea, and hopes to establish a permanent human residence on the ocean floor ...

Beneath the surface of the Southern Ocean, vast volumes of cold, dense water plunge off the Antarctic continental shelf, cascading down underwater cliffs to the ocean floor thousands of meters below.

Researchers at Florida Atlantic University (FAU) made a cool discovery while viewing their underwater ocean camera footage – ...

This rarely seen glass octopus bared all recently — even a view of its innards — when an underwater robot filmed it ...

When Hans Hartman, a civil engineer, attempted to film the ocean depths in 1917 ... with crew members nearby to aid with various underwater missions, such as salvaging. The vertical, tin-can ...