Challenger Deep is the deepest part of all the oceans on Earth. Animals that live there have to deal with the most hostile living conditions and pressures. Click through our slideshow to meet the ...
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 ...
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