The Mariana Trench, located in the Pacific Ocean, is the deepest known part of the Earth's oceans, plunging nearly 36,000 ...

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 ...

Pressure at the bottom of the trench is about 16,500 pounds per square inch. Pressure at sea level is 14.7 psi. The pressure at 35,000 feet below sea level is so intense, said Hardy, that human ...

The first two people to reach the Challenger Deep, located in the south end of the Mariana Trench about 190 miles southwest of Guam, were Don Walsh and Jacques Picard in 1960.

Marine virologists have found a novel virus living in the incredibly deep and dark Mariana Trench, more than 29,000 feet under the ocean’s surface.The virus is the deepest known isolated ...