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 ...

This modular ‘habitat’ is where six or more ... More to the point, humans already have lived underwater, in submarines and ...

Humans living underwater. It might sound like something from a science fiction movie, but this is the real ambition of UK startup DEEP. CNN’s Max Foster took a tour of its Sentinel habitat to ...

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