Nicholas Vizzini and his climbing partner, a snowboarder, triggered the avalanche high on the 20,310-foot peak while descending a slope, officials said.

A 29-year-old man was killed after being caught in an avalanche on Mount McKinley in Alaska Tuesday evening. Nicholas Vizzini ...

A 29-year-old skier from Washington state is the second person to pass away at Denali National Park and Preserve in the past ...