Thawing permafrost has released so much methane into Esieh Lake near Fairbanks, Alaska that the air above it is flammable.
The avalanche occurred late Tuesday afternoon near Girdwood, a skiing community about 40 miles south of Anchorage, Alaska.
Alaska State Troopers say three skiers who had flown by helicopter to a remote mountain range were swept away by an avalanche ...
Alaska Wildlife Troopers said an avalanche buried three skiers under a blanket of snow between 40 and 100 feet deep in a small resort town.
Troopers and rescue teams are working to reach skiers trapped by an avalanche in the remote backcountry near Girdwood ...