Submarines have been diving deeper and deeper into the ocean's depths, with undersea explorers looking to dive deeper than ...

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 the ...

Kathy Sullivan, an American geologist, has made history again. This past week, she became the first woman to reach Challenger Deep - that's the deepest point on the surface of the Earth. It's in the ...

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 bottom of the ...

Imagine a place where every single inch of your skin is under eight tons of weight. That's not some planet in a galaxy far, far away: it's the bottom of the bottom of the ocean. At its deepest point ...