In 1960, Jacques Piccard and Don Walsh made history by descending into the Mariana Trench. Aboard the Trieste submersible, ...

In summer 1958, 27-year-old Navy Staff Lt. Don Walsh was assigned to the submarine tender Nereus, part of Submarine Flotilla 1 at the sub base on Point Loma. It was a safe, steady desk job, but less ...

For centuries, explorers have journeyed to the far reaches of the human world. Centuries ago, explorers sailed upon the ocean and discovered lands unknown to them. New generations of pioneers charted ...

All of Earth's deepest ocean trenches are located in the Pacific Ocean, a result of intense tectonic plate subduction. These ...