Victor Vescovo, a retired naval officer, said he made the unsettling discovery as he descended nearly 6.8 miles (35,853 feet/10,928 meters) to a point in the Pacific Ocean's Mariana Trench that is the ...

The world's oceans are big and dark and deep. They cover approximately 70% of the planet’s surface and contain a huge portion of Earth’s biodiversity. If you want to find some of the weirdest ...

(CNN) — Just as Earth’s land surface has enormous peaks and valleys, the oceanic world has similarly varied topography. Perhaps the most intriguing of these features is the Mariana Trench — a chasm in ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The Mariana Trench is the deepest known point of the ocean, plunging down further than the height ...

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 have ...