In the Mariana Trench, they encountered species ... The first descent took place in 1960 when oceanographers Don Walsh and Jacques Piccard became the first to reach the bottom.

We were amazed at this to-scale map we found on Tumblr depicting the Mariana Trench, the deepest part of the world's oceans. The trench is located in the Pacific Ocean near the Philippines.

Found along the Mariana Trench, this natural phenomenon ... was accomplished by Jacques Piccard and US Navy Lieutenant Don Walsh in 1960. More recently, filmmaker James Cameron reached the bottom ...

In 2014, scientists first heard a unique sound coming from the waters around the Mariana Trench. Experts weren't sure what it was, but now a team of researchers led by Oregon State University have ...

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.