Ueli Steck climbed the Eiger's north face in less time than it takes to watch a Lord of the Rings movie.
Spider silk-like proteins could be a viable alternative to the petroleum-based nylon and polyester, which dominate performance outerwear.
Mount Huashan, in Huayin City, is one of the five sacred mountains in China. The path to the top of the mountain is incredibly steep and treacherous.
One unexpected and morbid consequence of rising global climate and melting ice is the re-emergence of dead bodies.
While Mt. Everest moved, Kathmandu shifted south by over 1.5 meters and was uplifted by nearly a meter by the quake.
Adventurer Chelsey Magness strikes a pose, as she balances hundreds of feet above Steelhead Falls in Bend, Ore.
Slacklining is arguably one of the most challenging activities, requiring tremendous balance and core strength. Meet one woman who takes the sport to the next level.
Climbers who couldn't use their $11,000 climbing permits this year because of the Nepal earthquake might be able to use them in 2016.
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