Photographer David Doubilet first dove below the surface at age 8 and has spent a lifetime making underwater images. He talks to NPR about his new book: Two Worlds: Above and Below the Sea.

Its waters constitute nearly 20% of the ocean’s total volume, and its deepest point, the Sunda Deep of the Java Trench, lies nearly 8km below the surface. Yet its seafloor, like much of the ...

Future 'ocean cities' need green engineering above and below the waterline. Reclaimed land is often celebrated as an ‘engineering marvel’, but at what cost to the marine environment?

Even ocean temperatures can be difficult to measure. In fact, in only two parts of the world has the variation of ocean temperature over time been measured below depths of 1,000-2,000 meters ...

Oceans make up 70 percent of the Earth’s surface; as they absorb more and more atmospheric heat and CO2, their changes will be felt on land, too.

That signpost up ahead — or, technically between the levels of the ocean above and below it — it is an area which we call the Twilight Zone. And it’s full of brand new fish. It&#8… ...

Designs have been unveiled for a boat that takes passengers above and below the ocean. The 28-foot semi-submersible catamaran, named the Platypus, mirrors its namesake by spending time both above ...

In the deepest parts of the ocean, below 13,100 feet ... Above the lysocline is the calcite saturation depth (CSD), with seabed sediments rich in calcium carbonate. (Image credit: ...

Explore inside the pioneering new submersible concept from U-Boat Worx, which can transition above and below the ocean surface and stay underwater for up to four days.

Exploring the Indian Ocean as a rich archive of history – above and below the water line by Isabel Hofmeyr, Professor of African Literature, University of the Witwatersrand and Charne Lavery ...

Population growth has seen skylines creep ever higher and entire cities rise from ocean depths. The latest “ocean city” is the Chinese-developed Forest City project. By 2045, four artificial ...