A scientist made a disturbing discovery at the bottom of Challenger Deep which is 35,000 ft below sea level, showing climate ...

The Challenger Deep, which is named after the British Royal Navy survey vessel HMS Challenger, has a maximum depth of ...

Norwegians haul up from the deep a sea lily, a living fossil previously found only in rocks 120 million years old. British ship Challenger sails the globe while lowering dredges and other gear ...

Challenger Deep, the lowest point in the deepest canyon on Earth, lies 35,876 feet below sea level at the southwestern extreme of the Mariana Trench (6.8 miles, or 10.9 kilometers). So how many ...