A new autonomous underwater vehicle (AUV) imaged a previously unexplored portion of the seafloor in ultra-deep waters near ...

The Mariana Trench, the deepest part of the world’s oceans, has long captivated scientists and explorers alike. Located in ...

Scientists used an autonomous underwater vehicle to image previously unexplored, ultra-deep waters near the abyss of the ...

Sean Macduff, Mariana Trench Marine National Monument superintendent with the U.S. Fish and Wildlife Service, aboard the Exploration Vessel Nautilus while the ship was docked portside at the Jose ...

The Mariana Trench was formed by a process known as subduction, where the Pacific Plate is being subducted under the smaller Mariana Plate. It first appeared on the radar of science in the 1870s ...

It's the closest many of us will get to the Mariana Trench. Editor's note: This story was updated at 11:16 a.m. EST on May 9 to reflect that E/V Nautilus departed from Apra, Guam, not from California.

Don Walsh and Jacques Piccard making their way to the bottom of the Mariana Trench in 1960 (NOAA Ship Collection) The crew of their support vessel had located the deepest point by pretty ...

An isolated pillow outcrop surrounded by sediment found during a 2016 expedition to the bottom of the Mariana Trench. Photo: NOAA Office of Ocean Exploration and Research, 2016 Deepwater ...

The Mariana Trench is one of the ocean's biggest enigmas, housing untold marine life and geological features within its nearly 7-mile depths. A new ocean expedition aims to unfold some of those ...