Renan Öztürk

Climbers Alex Honnold and Tommy Caldwell set out on a daring expedition to tackle Alaska’s formidable Devils Thumb. Battling harsh ...

In 2001, satellite imagery captured a mysterious “thermal anomaly” on an unexplored volcano at the ends of the Earth. What lies inside could ...

This documentary starring climber Alex Honnold and famous biologist Bruce Means document their expedition to the South American sky islands in ...

Reaching 29,029 feet, Mount Everest has long captivated mountaineers of all stripes. But a peak that draws athletes and mountaineers to new ...