Oceanic trenches are topographic depressions of the seafloor, relatively narrow in width, but very long. These oceanographic features are the deepest parts of the ocean floor. Oceanic trenches are a ...

to the deepest place in the ocean - the Pacific Ocean's Mariana Trench. He spent four hours exploring the bottom of the trench in his submersible, built to withstand the immense pressure of the deep.

Not anymore. Kelly Walsh, the son of the great ocean explorer Don Walsh, has just descended to the bottom of the Mariana Trench, almost 11km down in the Pacific. He made the dive 60 years after ...

A new study reveals where the sci-fi-esque noises are coming from. The Mariana Trench lies in the Pacific Ocean, it is the ...

Both trenches make up part of the seabed of the Pacific Ocean. The Cabinet Office projected up to 199,000 fatalities in the event of a magnitude-9.1 megaquake in the Japan Trench late at night in ...

This movement results in deep ocean trenches, volcanic eruptions, and earthquake epicenters along the boundaries where the plates meet, called fault lines. The Ring of Fire is home to the deepest ...