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

Deep in the ocean, a mission is underway to explore the "unknown and poorly known areas" around the Mariana Trench. "Despite decades of previous work in the region," the National Oceanic and ...

The Mariana Trench is more than 7 miles (11 kilometers) deep. ... The monument includes most of the Mariana Trench, 21 underwater volcanoes and areas around three islands.

The Mariana Trench is located in the Western Pacific, just off the coast of Guam. It starts about 3 miles beneath the ocean surface and stretches to an ultimate depth of 6.8 miles. Advertisement ...

After departing from Apra, Guam, E/V Nautilus and its 32-person crew headed for the Mariana Trench Marine National Monument.This 95,200-square-mile swath of sea contains "more than 60 underwater ...

Underwater surveys picked up mysterious “bio-twang” sounds from the Mariana Trench in 2014. A new study reveals where the sci-fi-esque noises are coming from. The Mariana Trench lies in the ...

A jellyfish found in the Mariana Trench by the NOAA's remote-controlled underwater vehicle looks like something out of science fiction. Michelle Starr is CNET's science editor, and she hopes to ...

The trench is named after the nearby Mariana Islands, which are named after Las Marianas, in honor of the Spanish Queen Mariana of Austria. In 1668, Spain formally colonized the Mariana Islands ...

Underwater volcano likely erupting in Pacific Ocean near Mariana Trench since mid-October, experts say. The US Geological Survey said that evidence pointed to a seismic event having begun ...

A new study has revealed the exact origin of the Pacific Ocean's mysterious "biotwang" noises, which were first detected by underwater surveys near the Mariana Trench in 2014.

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 ...