The deepest part of the sea is believed to be the Challenger Deep, a basin located at the southern end of the Mariana Trench in the western Pacific Ocean, which has a depth of 11,000 meters.

The ocean has an average depth of approximately 3.7 kilometres (or 2.3 miles). A calculation from satellite measurements in 2010 put the average depth at 3,682 metres (12,080 feet). However, at the ...

I think one of the saddest examples of our litter in the deep ocean is a plastic shopping bag was found at the bottom of the Marinara Trench, a place called Challenger Deep, which is over 10,000 ...

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 ...

During the voyage aboard the Guangzhou Marine Geological Survey Bureau's Ocean Geology 2 vessel in October, the system completed two deep-sea towing operations in water depths of more than 4,000 ...