This year’s Winter Olympics feature a new event called “skimo,” or ski mountaineering. The racing event involves periods of skiing uphill using “skins” for traction, sprinting uphill on foot, and a ...

Pro climber Yves Gravelle asks an evolutionary biologist how his gear measures up with the highly specialized mountain goat.

Dotted across the mountains of Southeast Alaska, white mountain goats move deftly through rugged snowscapes. Though climbing high into the mountains leaves predators below, an avalanche could pose a ...