Add Yahoo as a preferred source to see more of our stories on Google. Forecasters assessed avalanche danger near Castle Peak on Monday before Tuesday's avalanche that trapped 15 people, with nine ...

What triggered the avalanche last month near Lake Tahoe that killed nine skiers amid a fierce blizzard may forever remain a mystery, but the weight of accumulating snow or the group of skiers ...

With the arrival of late February winter weather, forecasters in the Flathead and Gallatin regions are recording recent human-triggered and natural slides.

After a stormy stretch with heavy snow and powerful wind across the west, large, lethal avalanches have been letting loose across the west.

The most recent of four avalanche deaths in northern Utah this season shows how dangerous conditions truly are, even for the most experienced and well-equipped adventurers.

Then there needs to be a trigger. A snowpack may be seemingly stable until a snowmobile or skier disturbs it enough that the snow starts to move. Strong winds or rock falls may also cause an avalanche ...

Avalanche forecasters say that an avalanche outside of Brighton Ski Resort that killed an 11-year-old girl underscores the ...

California officials said rescuers took risks and faced "extreme weather conditions" as they raced to find survivors of the ...

New photographs of a Northern California avalanche and an investigation report were released this week by the Sierra ...