The Yellowstone region's Beartooth Mountains feature some of the most ancient rocks in North America — as old as 3.96 billion ...

Traveling at high altitude can be hazardous. The information provided here is designed for educational use only and is not a substitute for specific training or experience. Princeton University and ...

UC Davis Professor Hugh Safford was hiking for pleasure in California's High Sierra when he stumbled upon a new elevation ...

The weather service will likely issue small craft advisories to alert boaters, Mehle said, and people are encouraged to stay ...

Sonmarg (J&K), July 27 (ANI): Students of the High Altitude Warfare School (HAWS) of the Indian Army received pre-induction rock craft training at intimidating heights of Sonmarg in J&K on July 27.

High-elevation treelines are a global phenomenon, but the large-scale ecological and physiological mechanisms that define their existence still elude ecologists. The upper altitudinal limit of ...