It is found within the crescent-shaped Mariana Trench, the deepest trench on Earth. The Challenger Deep plunges to an estimated 10,935 metres (roughly 6.8 miles) below sea level - more than 1.2 ...

China has developed the world's first system to reach the deepest point in the ocean to lay cables needed for underwater exploration. Dalian Maritime University, Nantong Liwei Machinery Company ...

Dubai resident Hamish Harding on Friday pulled off what could be one of the world’s most daring feats: He dived into the Earth’s deepest — and perhaps most alien — realm, the Mariana Trench.