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, ...

Reservations: required by Monday. For more information, go to mts-sandiego.org. Online: For photos of the Trieste and other deep-sea vehicles, go to uniontrib.com ...

The bathysphere—bathys is Greek for "deep"—was developed in the early 1930s by William Beebe and Otis Barton, two explorers from the New York Zoological Society. It was a 4,500-pound hollow steel ball ...

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 ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen environmental ...

WASHINGTON NAVY YARD – The Navy officer who took a manned submersible to the deepest part of the ocean in 1960 said it would have been impossible without the steady financial support by the Office of ...