A larger shelf means legal access to more of the ocean floor’s riches: animals, hydrocarbons, and, perhaps most important, ...

A recent deep-sea expedition into the Tonga Trench in the Pacific Ocean led to an astonishing discovery: a massive Pacific Sleeper Shark was filmed at an astounding 1,400 meters below the surface.

The Deep-Ocean Floor The discovery that it is growing outward from the mid-ocean ridges has suggested that it is formed In huge plates that act as units in the dynamic processes of the earth's ...

In 1971, the Harbor Branch Oceanographic Institution in Fort Pierce, Florida built this nine-ton, 23-foot long acrylic and aluminum submersible for marine science research. Its applications ...

Norwegians haul up from the deep a sea lily, a living fossil previously ... wells up periodically and spreads laterally to form new ocean crust, a process he calls seafloor spreading.