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 ...

Challenger Deep, Earth's deepest point, lies in the Mariana Trench. This extreme environment features crushing pressure and ...

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 ...

The Mariana Trench, the deepest part of the world’s oceans, has long captivated scientists and explorers alike. Located in the western Pacific Ocean, this mysterious underwater canyon reaches depths ...

Eleven years ago, Academy Award-winning filmmaker James Cameron surprised the world by taking a submersible he had secretly built, Deepsea Challenger, 35,787 feet down to Challenger Deep, the lowest ...

(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 ...