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 ...

In the waters of the Western Pacific, a sea of blue surrounded oceanographer Dawn Wright, who was a little blue herself. Her mother died last December and would not be there to watch Wright take on ...

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 ...

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 ...