Water is one of the few things for which there is no substitute,” says Robert Bergstrom, CEO of water startup OceanWell.

That’s what an international team of scientists did last summer. Led by the Chinese Academy of Sciences, the researchers took a manned submersible to the bottom of deep-sea trenches in an area in the ...

Chatfield, tanned, bearded and smiling, is sitting next to fellow deep-sea diver and underwater cinematographer Andre ...

Explorers of previous ages confirmed to the world the wonders of earth’s continents, the ocean surface, and close-in space. These explorations yielded ...