Beneath the surface lies an entire kelp-forest teeming with life. Thousands of incredible creatures call this unique ...

In 2005, the USS San Francisco submarine tragically collided with an underwater mountain south of Guam, resulting in one ...

While hydrofoils lift out of the water thanks to an underwater fin, hydroplanes zoom along by riding directly on the surface ...

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An alternative to dredging aims to capture moving sand to protect the archipelago from erosion and rising seas.

Emily Sherwin, 20, was diving with friends off Old Harry Rocks near Swanage, Dorset, when she got caught in a strong current ...

Even with these systems, navigation is difficult and some submarines still hit underwater mountains. While traversing the ocean's surface, submarines take advantage of satellites with global ...

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The diving bell spider spends nearly its entire life submerged eating, mating and even sleeping inside a silk bubble filled ...

A U.K. startup wants to be the SpaceX of the deep sea, and hopes to establish a permanent human residence on the ocean floor ...

The companies’ tie-up follows sea trials, funded by the United States Office of Naval Research, during which Saildrone’s Surveyor USV, equipped with Thales’ BlueSentry sensor package, operated almost ...

India's DRDO has been testing a prototype of its High Endurance Autonomous Underwater Vehicle (HEAUV) for over a year.