Narrator: The Mariana Trench is the deepest point on Earth ... Now, like lobsters, these animals have hard exoskeletons made of calcium carbonate, which you normally wouldn't find down here ...

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.

Scientists at China's Beihang University developed a tiny morphable robot to explore the ocean's depths — and it's now taken a dive into the Mariana Trench. The team successfully demonstrated ...

The Woods Hole Oceanographic Institution will keep the vessel that took the movie director to the deepest part of the ocean last year. Researchers find remarkably active bacteria in the Mariana Trench ...

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 ...