For scientists studying the mysteries of the ocean, few places on Earth hold the level of intrigue that the Mariana Trench does. As the deepest point in all the Earth's oceans, this site has ...

Narrator: The Mariana Trench is the deepest point on Earth. So deep that if you ... transparent sea cucumbers that crawl along the ocean floor on tentacle-like legs. But perhaps the most ...

When explorer Victor Vescovo first set out to build a submarine that could reach the deepest corners of the ocean, he wasn't necessarily ... the deepest known point on Earth.

Challenger Deep, in the Mariana Trench, is the deepest point in the ocean known so far, at approximately 11 kilometres - deeper than Mount Everest is tall. The Mariana Trench is 2,500 kilometres long, ...

Twelve people have walked on the moon, but only three have ventured to the Mariana Trench's Challenger Deep, the deepest point of the ocean. But Florida-based Triton Submarines is trying to expand ...

The Rogaland fixed link, or simply Rogfast, will be about 26.7km long and 390m at the deepest point under the sea when completed. Norway is building the world’s longest and deepest underwater ...