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 ...

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 ...

The Mariana Trench, home to the Challenger Deep, ... Challenger Deep, the deepest known point on Earth’s surface that plunges more than 36,000 feet (about 11,000 meters) underwater. ...

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 ...

Some measurements in the Mariana Trench have charted depths exceeding 6.5 miles (or 36,000 feet) in the deepest spot, dubbed Challenger Deep. The average depth of the world’s oceans comes in around 12 ...

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 ...

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.

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 ...

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 ...

Scientists first detected the unusual noises in 2014 while using underwater gliders to carry out an acoustic survey of the Mariana Trench — the world's deepest ocean trench, which spans more ...