Retired Capt. Don Walsh, Ph.D., who commanded the U.S. Navy’s bathyscaphe Trieste, discusses the dive to the deepest place on Earth, the Challenger Deep located at the southern end of the Mariana ...

100415-N-7676W-101 WASHINGTON, D.C. (April 15, 2010) Rear Adm. David Titley, Oceanographer of the Navy, congratulates retired Capt. Don Walsh, the first commander of the U.S. Navy bathyscaph Trieste. ...

CNN — (CNN) — Just as Earth’s land surface has enormous peaks and valleys, the oceanic world has similarly varied topography. Perhaps the most intriguing of these features is the Mariana Trench — a ...

Don Walsh, the San Diego naval officer who squeezed into a tiny submersible with scientist Jacques Piccard in 1960 and dove nearly 7 miles to become the first humans to reach the deepest spot in the ...

In July 2022, oceanographer Dawn Wright made history by becoming the first Black person to dive to the deepest known spot on the planet. Victor Vescovo, a former Naval officer, entrepreneur and ...