The Mariana Trench is the deepest place on Earth, and we're still in the dark about much of the life that calls it home. Here ...

Mariana Trench: Deepest ocean 'teems with microbes ... the sub has to operate in the pitch black and near freezing temperatures. These conditions also made it challenging to capture footage ...

Narrator: The Mariana Trench is the deepest point on Earth ... the pressure is so great and the temperature is so low that calcium carbonate dissolves. But these amphipods have a secret weapon.

Deep below the Pacific Ocean lies the Mariana Trench, which is home to the Earth's deepest known point of the seabed, plunging to 10,935 metres below sea level.

Not anymore. Kelly Walsh, the son of the great ocean explorer Don Walsh, has just descended to the bottom of the Mariana Trench, almost 11km down in the Pacific. He made the dive 60 years after ...

The Mariana Trench runs more than 1,500 miles long and ... 1,000 times the normal atmospheric pressure on the ground and the temperatures are barely above freezing. Despite the harsh conditions ...

Scientists first detected the unusual noises in 2014 while using underwater gliders to carry out an acoustic survey of the ...

More than 6.7 miles below the surface of the Pacific Ocean lies the world’s deepest undersea chasm, and in it scientists made ...

The first explorers visited the trench in 1960 on a brief expedition, after which there had been no missions until Hollywood director James Cameron made the first solo trip to the bottom in 2012.

The Ring of Fire is home to the deepest ocean trench, called the Mariana Trench. Located east of Guam, the 7-mile-deep Mariana Trench formed when one tectonic place was pushed under another.