Add Yahoo as a preferred source to see more of our stories on Google. Spruce and birch trees are seen tilting along the edge Stevens Pond on the University of Alaska Fairbanks campus on Sept. 18, 2022 ...

Permafrost isn't just a feature of Arctic landscapes — it actually shapes those landscapes by directing the flow of water. And as global temperatures increase, this permanently frozen ground could ...

Permafrost, ground frozen for at least two years underlying the cold Arctic and alpine regions of the Northern Hemisphere, covers about 17% of the global land surface and stores an estimated one-third ...