It began as an innocently planned multi-day hiking trip. Morgan Chesky, a broadcaster from Dallas, was fit and wanted a ...

A British expedition summited Everest in days while supplementing xenon. Is it the secret ingredient mountaineering has been ...

Science correspondent Allan Blackman joins Kathryn to talk about concerns in the world of mountaineering and among the Nepalese government about a recent feat by four British climbers. They traveled ...