The Mariana Trench, located in the Pacific Ocean, is the deepest known part of the Earth's oceans, plunging nearly 36,000 ...

This is a video of several xenophyophores, four-inch-long single-celled organisms that have been discovered 6.6 miles under the sea in the Mariana Trench.

James Cameron has commissioned a team of engineers to build a manned submersible capable of reaching the bottom of the Mariana Trench, the deepest part of the world's oceans where only two humans ...