Our mountaineering expert looks at America’s greatest ever mountaineers, detailing the historic ascents of the nation’s ...

Red Mountain number 3, east of Telluride, which is locally known as Bollywood. The avalanche occurred on a northwest-facing ...

California is no stranger to wildfires, with blazes sprouting up more frequently and outside of what was traditionally considered "wildfire season." But as Gov. Gavin Newsom underlined, wildfires aren ...

Research shows rapid shifts between wet and dry extremes are increasing. Scientists say this 'hydroclimate whiplash' ...

Geomorphologist and veteran climber Ludovic Ravanel is learning how Mont Blanc is shifting—and sharing his discoveries with the Alpine community ...

The fires’ proximity to densely populated areas means they are burning through more structures than past fires that covered ...