Mars’ polar ice cap is slowly pushing its north pole inward
The north pole of Mars is slowly sinking under the weight of an ice cap that only formed within the past few million years. And, in the process, it's telling us something about what the planet's ...
Arctic ice approaches historic low, impacting habitat for polar bears
At the edge of the Arctic in northern Canada, the annual migration of polar bears draws tourists, photographers, and ...
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Polar vortex makes much of US colder than Greenland, but warmth is coming. Then more cold
WASHINGTON (AP) — The polar vortex hit its peak across much ... Nuuk since Feb. 12 for a sustained melt, said Danish ice scientist Jason Box. That's “alarming,” said University of Colorado ...