Add Yahoo as a preferred source to see more of our stories on Google. Permafrost and ice wedges have built up over millennia in the Arctic. When they thaw, they destabilize the surrounding landscape.

Arctic rivers wind through remote tundra and boreal forests, freezing solid in winter and surging each spring with snowmelt, ...

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Add Yahoo as a preferred source to see more of our stories on Google. Icebergs float in the Ilulissat Icefjord near the mouth to Disko Bay near Ilulissat, Greenland, in July. (Sean Gallup) The Arctic ...

Dartmouth researchers set out to understand why Arctic watersheds tend to have less river area than watersheds in warmer climates. First author Joanmarie Del Vecchio (pictured) conceived of the study ...

Shrinking glaciers expose new land in the Arctic, creating unique ecosystems. Researchers studied how microbes colonize these barren landscapes. The study reveals a crucial role for specific fungal ...

The Arctic is “greening,” author Jon Waterman points out early in his beautifully written and gorgeously photographed account of 39 years adventuring in the extreme norths of Alaska and Canada. The ...

Across the Arctic, strange things are happening to the landscape. Massive lakes, several square miles in size, have disappeared in the span of a few days. Hillsides slump. Ice-rich ground collapses, ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Mark J. Lara, University of Illinois at Urbana-Champaign (THE CONVERSATION) Across the ...