Deeper than Everest’s peak The least known and explored place on Earth To answer science’s enduring questions

We know less about the deepest points on our planet than we do about the surface of Mars. The DEEPSEA CHALLENGE team is dedicated to advancing the world’s understanding of our ocean’s vast range of biological and geological phenomena. The historic expedition to the Mariana Trench’s lowest point, the Challenger Deep, which lies 6.83 miles (10.99 kilometers) below the ocean surface, was the first extensive scientific exploration in a manned submersible of the deepest spot on Earth. On March 26, 2012, James Cameron successfully piloted the DEEPSEA CHALLENGER—outfitted for scientific exploration—to the ocean's deepest point, where he collected samples and documented the experience in the high-resolution 3-D for which he's known globally.