Climbers who ascend higher than 26,000 feet on Mount Everest enter the "death zone." In this area, oxygen is so limited that the body's cells start to die, and judgment becomes impaired. Climbers ...

The body of one of the hikers in Mount Everest's greatest mystery is believed to have been found after 100 years.. British mountaineer Andrew "Sandy" Irvine vanished alongside fellow climber ...

Four climbers went up and down Everest in under a week with the help of xenon gas—a record-breaking ascent that has ignited ...

Explore the extreme conditions on Mount Everest, from low oxygen levels to freezing temperatures, and discover how these challenges push human limits to the brink. Real Science Posted: December 10 ...

In his latest video dispatch, Ben Ayers offers advice on where to stay, what to eat, and how to manage the extreme altitude ...

A new proposal from Nepal aims to tighten requirements and improve climber safety on the world's tallest peak, but such proposals rarely become law.

The Mount Everest Base Camp, at 17,598 feet high, hosts climbers acclimating to the elevation before they make their ascent. Daniel Oberhaus via Wikimedia Commons under CC BY-SA 4.0 More than 300 ...

History is repeating itself in the world of controversial sports records.