but the Challenger Deep is 35,876 feet down at its lowest point. While most of the ocean bottom is nowhere near that low, life on land lives on the metaphorical penthouse floor. It's not just ...

He made the descent alone in a prototype submarine called “Deepsea Challenger ... so he can film the deep. This is only the second manned expedition to the ocean's deepest depths - the ...

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 ...

The ocean floor is actually less well-mapped than ... was found at the bottom of the Marinara Trench, a place called Challenger Deep, which is over 10,000 metres down in the deep ocean, it's ...