Amazingly, these trenches lie at depths greater than the height of Mount Everest, Earth's tallest peak. The deepest one reaches 9,533 metres (31,276 feet) below the ocean surface in the ...
The deepest known point in any of the world’s oceans is Challenger Deep, a section of the Mariana Trench that plunges to about 36,070 feet (10,994 meters). It’s an extraordinary place on Earth. While ...