Add Yahoo as a preferred source to see more of our stories on Google. As the Sherpa team fixed the last meters of rope to the 8,849m summit of Everest today, the Khumbu Icefall and the Lhotse Face ...

Andrzej Bargiel, a 37-year-old ski mountaineer from Poland, has achieved what no other human has ever managed before. He successfully climbed Mount Everest without bottled oxygen and then skied all ...

As altitude increases and oxygen levels drop, climbers on Kilimanjaro face physiological risks that can turn a straightforward hike into a dangerous situation.