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

But perhaps the most surprising thing you'll discover inside the Mariana Trench is this: Plastic. In 1998, a remotely operated submersible detected a plastic bag at 10,898 meters. And in 2019 ...

Last month, the BBC reported that an American explorer had successfully broken the record for the deepest ocean dive, far down into the Pacific Ocean’s Mariana Trench. What did they find down there?