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 ...

(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 ...

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 ...

Kathy Sullivan, the first female American NASA astronaut to walk in space in 1984, became the first woman to ever dive to the Challenger Deep at 35,810 feet, which is roughly 7 miles below the ocean’s ...

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 ...

Famed Hollywood filmmaker and National Geographic Explorer-in-Residence James Cameron is getting ready to lead an expedition to the deepest part of our planet in the coming weeks: he will descend into ...

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 son of a NASA astronaut and a video game pioneer who previously traversed both the North and South poles and funded his own trip to the International Space Station, Garriott completed a dive to ...