Photos show the USS Laffey still sitting upright on the seafloor with much of her bow and midsection intact despite more than ...

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

Deep beneath the surface of the Pacific Ocean, something massive is stirring. Scientists are watching one of the most ...

At Caltech, researchers have turned living jellyfish into low-cost, remotely controlled ocean robots — creating real-life ...

Oceanographers explored an area around the Pacific Ocean’s Nazca Ridge and found a massive underwater mountain. Using a sonar system, the researchers digitally mapped the seafloor of the area ...

Magnitude 7.3 quake triggered tsunami warning in Alaska. There are hardly any earthquakes on the East Coast. Does that mean we can't get tsunamis?

A report from a European news wire agency on the reversal of an important ocean current has sparked alarm online.

The US defense giant holds two licenses in the mineral-rich Clarion-Clipperton Zone in the eastern Pacific ocean.

An underwater volcano near Tonga revealed how sediment spreads, disrupts marine life, and raises questions about deep-sea ...

The archipelago includes more than 1,000 islands, all of which offer unique underwater experiences. Tourists get to explore ...

Underwater microphones capture 15 years of ocean change by Alex Fox, University of California - San Diego edited by Sadie Harley, reviewed by Robert Egan Editors' notes ...

LOS ANGELES — A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say. Nearly a mile deep and about 700 miles northwest of San ...