CHALLENGER DEEP, MARIANA TRENCH, SOUTHEAST OF GUAM (WHTM) — The first dive to the deepest part of Earth’s oceans had its start with a record-breaking ascent into Earth’s atmosphere. On May 27, 1931, ...

Plunging into the deep, dark abyss of the Pacific Ocean’s Mariana Trench, U.S. Navy Lt. Don Walsh and Swiss engineer Jacques Piccard heard a loud cracking sound in their vessel—the bathyscaphe Trieste ...

The Mariana Trench has long captured the public's imagination. Here are some facts about one of the Earth's great wonders. Q. What is the Mariana Trench? The trench is the deepest place on Earth, ...

Back from the deepest depths ever reached by man, Jacques Piccard and Lieut. Don Walsh flew into Washington last week to receive decorations from President Eisenhower, and to tell how it felt as the ...

Sixty miles southeast of Guam, the Navy’s bathyscaphe Trieste (TIME, Sept. 1, 1958) settled slowly below the rolling .sea. In the small, thick-shelled crew compartment were Lieut. Donald Walsh and ...