Humans have visually observed less than 0.001 percent of the deep ocean floor — an area roughly the size of Rhode Island — and scientists calculate that even with 1,000 deep-sea vehicles working at today's average rate, seeing the entire thing once would still take more than 100,000 years.
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Nearly a thousand people summited the world's highest mountain, Everest, last year. Man knows very well the limits and secrets of our surroundings, of what we see, and even the most inaccessible point has become a tourist attraction. But on planet Earth there are still many things that we do not see, places that are practically unreachable. Everest is two kilometers less than the deepest point in the oceans, the Challenger Trench, in the Pacific…
Humans have visually observed less than 0.001 percent of the deep ocean floor — an area roughly the size of Rhode Island — and scientists calculate that even with 1,000 deep-sea vehicles working at today's average rate, seeing the entire thing once would still take more than 100,000 years.
For nearly seventy years, cameras have descended through the dark aboard crewed submersibles, remotely operated vehicles, autonomous machines and towed platforms. Put every known strip of deep seafloor they recorded together, however, and the total would still cover less than 0.001 percent of the bottom below 200 metres. That is not a poetic way of saying the ocean is mysterious. It is the result of a 2025 analysis in Science Advances that assem…
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