Reinhold Messner (born 1944) is the first people ever to climb all 14 of the world's mountain peaks over 8,000 meters high. He has written over 30 books on his adventures, and his minimalist techniques have revolutionized Himalayan mountain climbing....

Fifty years later, the man who first stood on the roof of the world lamented how Mount Everest had changed since his historic summit."It is hardly mountaineering; more like a conducted tour," Sir Edmund Hillary told reporters in Katmandu in 2003, celebrating the anniversary of...

Yuichiro Miura has an unusual routine for a man who just turned 75. At dawn, the veteran adventurer wakes after a night in a private low-oxygen chamber. He straps weights onto his ankles, hoists a 44-pound backpack onto his shoulders and hikes for hours around...