If climbers want to summit Mount Everest, they have to brave its "death zone" - the part of the mountain above 8,000 meters. At that altitude, the air has so little oxygen that the body starts to ...

Pastemba Sherpa, a Mount Everest guide, breaks down every piece of gear Sherpa guides use to summit the world's tallest mountain. All of this equipment needs to be carried up and back, so guides ...

A former Army officer is aiming to lead the fastest ever expedition to the summit of Mount Everest with the help of a rare gas that encourages the production of red blood cells. Garth Miller ...