In 2019, an American explorer broke records by traveling to the bottom of the Mariana Trench, but what he found there was absolutely tragic.

Great swathes of the ocean floor are at basically the same ... the Mariana Islands. Challenger Deep, the deepest of the Mariana Trench's three "pools," was named after the British expedition ...

However, at the time only about 10% of Earth's seafloor had been mapped to high resolution, so this figure is only an estimate. Challenger Deep, in the Mariana Trench, is the deepest point in the ...

So far companies haven't been willing to heavily invest in such a difficult and costly undertaking, but the recent combination of advances in underwater-mining technologies and steep increases in the ...

They included the first human descent to the deepest point of the Yap Trench, which is located in the western Pacific Ocean and is nearly 9,000 meters deep. This is the place where many ocean ...

The Kexue, seen in 2019, is one of China’s vessels for exploring deep waters. The ocean floor is shaping up to be the next theater of global resource competition. (Zhang Jinggang/Imaginechina/AP ...

from the Pacific Ocean site as early as 2025 with a view toward commercialization. Manganese nodules rich in cobalt, nickel and other rare metals were found concentrated on the sea floor near Mina ...

When Hans Hartman, a civil engineer, attempted to film the ocean depths in 1917, he pioneered what would become the first deep-sea ROV, or remotely operated vehicle. During an era of silent movies ...

The ocean floor is actually less well-mapped ... shopping bag 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 ...