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 ...

Dylan Taylor holding a mission patch for STS-51L, the last mission of Challenger at the bottom of the Challenger Deep. Source: Dylan Taylor Last summer I had a chance to visit one of the most remote ...

We see a boat on the water and a deep ocean trench below it. The deepest depths of the sea are found in the crescent-shaped Mariana Trench, located in the western Pacific Ocean. But what is the ...

This astronaut just successfully reached the lowest point on Earth. Kathy Sullivan soared to new heights when she became the first American woman to walk in space in 1984. On Monday, she broke a new ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. "I am the first person to go pole to pole, space and deep and the second person — first male — to ...