In September 1972, a research vessel called the USNS Hayes discovered the deepest part of the Arctic Ocean and named it after ...

The ocean basins are so vast and deep that they hold about 97 percent of the Earth's water. Sea water that's trapped in ...

Researchers travelling along the Kuril-Kamchatka and Aleutian trenches in the northwest Pacific Ocean used a submersible to ...

The discovery challenges "long-standing assumptions about life's potential at extreme depths," study authors said.

However, off the coast of northern Chile, the trench plunges to almost 5,000 mi (8,000 km) below the surface— well within the deepest part of the ocean, known as the Hadal zone.

While exploring the ocean in a deep-sea submersible, scientists say they discovered a flourishing ecosystem capable of ...

In the darkest depths of the ocean, the eerie and elusive telescope fish thrives with alien-like eyes, extendable jaws, and a ...

The bumpy snailfish, discovered 10,000 feet down off the coast of California, shows that not all denizens of the abyss are ...

Milwaukee Deep, Puerto Rico Trench, Atlantic (27,480 Feet) The deepest part of the Atlantic Ocean is the Milwaukee Deep, which is located about 76 miles north of Puerto Rico.

NEW YORK (AP) — An underwater voyage has revealed a network of creatures thriving at the bottom of deep-sea ocean trenches. In these extreme environments, the crushing pressure, scant food and ...