Earth's valleys tell an ancient story of ice and power. Over millions of years, massive glaciers have carved, sculpted, and ...

Switzerland is racing to rebuild Blatten, which was crushed by a glacier. It’s a sign of the economic and emotional costs of a warming Europe.

Meltwater from a glacial outburst near Juneau, Alaska, is flooding nearby neighborhoods, and officials are urging some residents of the city of 30,000 to evacuate. The meltwater is rushing downstream ...

Hiking permit lotteries, who needs them? From the infamous lottery system behind Yosemite's legendary Half Dome to the mere 50 daily permits that are issued for the Tall Trees Trail in the Redwoods ...