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 ...

Once upon a time, reaching the highest peak on Earth was considered a feat achievable only by a select few. Fast forward to today. Though it remains a costly endeavor – and sometimes deadly – it’s ...

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 ...

Challenger Deep, the deepest known point on Earth’s surface, sits roughly 36,000 feet below the western Pacific in the Mariana Trench. That is about 7,000 feet deeper than Mount Everest is tall, ...

Thirty-six years after becoming the first American woman to walk in space, Kathy Sullivan has made history yet again. On Sunday, the 68-year-old oceanographer and former NASA astronaut became the ...

Few predators carry the same sort of reputation as sharks. The oceans of the world are mysterious places, with the deepest ...

If you liked this story, share it with other people. On July 12, oceanographer and geographer Dawn Wright was sealed inside a submersible, traveling to Challenger Deep, the deepest part of the Mariana ...

(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 ...