A team of mountaineers and scientists collected snow samples from some of the highest peaks in the Alps. Scientists make ...

(Photo by Ben Davidson) We watched a silhouetted line of skiers and snowboarders — gear slung across their backs and shoulders — slowly making their way down the ridge, backdropped by the vast ...

backdropped by the vast panorama of the snowy Alps. On one side of the ridge, the face plunged nearly vertically for thousands of feet to the valley floor; on the other side, a massive snowfield ...