Could lumpy metallic rocks in the deepest, darkest reaches of the ocean be making oxygen in the absence of sunlight?

The Deep Ocean Floor Where MH370 Could Be Hiding Malaysia Airlines Flight 370 is likely resting on the floor of one of the least-mapped sections of the ocean, according to officials.

A Greek photographer, Odysseas Froilan, used a GoPro to uncover the ocean's secrets beneath a cruise ship, capturing both ...

In 1917, a civil engineer pioneered the first deep-sea vehicle to attempt filming underwater. A century later, we have James ...

A viral video captures a mesmerizing underwater sunset after a diver leaves her GoPro unattended at the ocean’s bottom. The ...

Triton was the first submersible to reach the deepest points of all five oceans. Journalist Susan Casey shares her experience ...

Cosmic origins: Beryllium-10 is produced in the upper atmosphere and eventually incorporated into ferromanganese crusts in the deep ocean. Around 10 million years ago, the amount deposited in these ...

Challenger Deep, in the Mariana Trench, is the deepest point in the ocean known so far, at approximately 11 kilometres - deeper than Mount Everest is tall. The Mariana Trench is 2,500 kilometres long, ...

Traces of organisms detected in sediments from 7.5 kilometers below the ocean surface reveal how organisms living in the deep sea are engineering their own environments. Analyses of sediment cores ...