ABOARD OCEANXPLORER, Indonesia - A dome-fronted submersible sinks beneath the waves off Indonesia, heading down nearly 1,000 ...

Researchers have unveiled world-first deep-ocean landers to uncover how the mysterious dark oxygen is produced in complete ...

Zombie worms have vanished from Pacific whale bones off British Columbia. Scientists link this mystery to low oxygen and warn ...

The deep sea is home to some of the largest and strangest creatures on Earth. Scientists have long noticed a pattern of extreme size at great depths, but the reasons remain debated. Factors like ...

Scientists have finally photographed a whale known only from sounds and remains, linking a mysterious deep-sea signal to a living species and revealing unexpected habitats beneath Pacific waters.

Scattered across coral-strewn reefs and sunken cliffs, Bermuda’s centuries-old shipwrecks beckon explorers to uncover ...

Ted Judah went diving off McAbee Beach in Monterey Bay when he caught sight of a 'silvery knife blade undulating thing,' ...

Despite satellites and submersibles, most of the ocean is still a question mark. Scientists have theories, but plenty of things under the sea just don’t add up.

Titles include Alex Preston, Paul Warner and James Wolff on the perils of being an MI6 spy and two tales from Scotland of ...

Quick Take Achieving the first live photographs of a ginkgo-toothed beaked whale ended a 66-year mystery since the species was first described in 1958. The 43-kilohertz signal led to a 60-year ...

HANOI, Vietnam (AP) — A deep-sea search for Malaysia Airlines Flight 370 began in the Indian Ocean on Wednesday, reviving efforts to solve one of aviation's greatest mysteries more than a decade after ...

Researchers have uncovered surprising evidence that the deep ocean’s carbon-fixing engine works very differently than long assumed. While ammonia-oxidizing archaea were thought to dominate carbon ...