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 ...

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 ...

Situated in the enormous Pacific Ocean, the Challenger Deep is the lowest point on our planet. Found along the Mariana Trench ...

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 ...