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

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, ...

Add Yahoo as a preferred source to see more of our stories on Google. Just as Earth’s land surface has enormous peaks and valleys, the oceanic world has similarly varied topography. Perhaps the most ...

ANCHORAGE, Alaska — Retired Navy Capt. Don Walsh, an explorer who in 1960 was part of a two-man crew that made the first voyage to the deepest part of the ocean — to the “snuff-colored ooze” at the ...

(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 chasm in ...