Challenger Deep is the deepest part of all the oceans on Earth. Animals that live there have to deal with the most hostile ...

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 ...

A Chinese submersible has discovered thousands of worms and molluscs nearly 10 kilometres (six miles) below sea level in the Mariana Trench, the deepest colony of creatures ever observed, a study ...

The deepest known point in any of the world’s oceans is Challenger Deep, a section of the Mariana Trench that plunges to about 36,070 feet (10,994 meters). It’s an extraordinary place on Earth. While ...