Arctic blast creating frigid conditions in part of US. What is it?

There are strong upper-level winds rotating around the North Pole that normally keep all cold air contained, but in the ...
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For millennia, the Arctic absorbed more carbon than it emitted. That’s changed.

This month, the National Oceanic and Atmospheric Administration released its annual Arctic Report Card. It contained sobering news about the state of the tundra. NOAA reported that after storing ...

Maps show why Greenland is so important as the Arctic warms

As the Earth warms, new shipping routes from one side of the globe to the other are opening around Greenland, making the vast ...