Climate change is melting glaciers and permafrost in the mountains outside of Boulder, Colorado, exposing rocks and freeing ...

An experienced Austrian mountaineer named Lukas Furtenbach has shortened Everest trips to weeks with “flash” expeditions that used hypoxic tents. He approached the four men with the idea of cutting ...

The NTSB final report revealed the numerous overdue inspections and a lack of supplemental oxygen before the deadly 2023 ...

When you walk up an incline, some shortness of breath is normal. This article explains when breathlessness signals a heart or ...