The ski resort Mammoth Mountain shut down all lift operations on Friday after an avalanche slid on Lincoln Mountain, a popular area known for steep tree skiing and chutes, according to the ski ...

The 150-foot-wide avalanche slid about 700 feet at the 10,000-foot elevation in Big Cottonwood Canyon. Photo by Nicolas Cool via Unsplash An avalanche swept away two backcountry skiers in a Utah ...