A man who climbed Everest has revealed how he was proven completely wrong in thinking reaching the top would feel 'tranquil'.

After nearly a year of putting together this project on Everest, the thought of sending ... had a chance to try for the summit. For the NOVA documentary we filmed the climbers putting on their ...

Following is a transcript of the video. Vanessa O'Brien: 26,000 feet or 8,000 meters, they do call the "death zone." The death zone is, you know, a part of what happens at height in the mountain.

The documentary, entitled "Everest: The Death Zone," was about the deleterious effects of high altitude on the human body, especially on brain functions. I was to be not only the filmmaker ...

Two-part special following an extraordinary team of climbing doctors on an expedition like no other to make scientific history and experience the ultimate in mountaineering.

The lack of oxygen poses one of greatest threats to climbers who attempt to summit, with levels dropping to less than 40% when they reach the Everest “death zone.” The first target for ...

One of the major risk factors in this zone is the risk of frostbite. Temperatures here are said to fall below -30 degrees Celsius. Aside from altitude, climbers in and around the death zone must ...

But if climbers want to summit Mount Everest, the tallest peak in the world at 29,029 feet (8,848 meters or 5.5 miles) above sea level, they have to brave what's known as "The Death Zone" - the ...