The winter most are familiar with: The date on your calendar when winter begins is known as the winter solstice. In 2025, that will occur on Saturday, Dec. 21, at 10:03 a.m. ET.
Auroras may be visible from Alaska to New York as a speedy solar wind is set to spark geomagnetic storm conditions overnight.
A disturbance in the polar vortex could spill icy cold air south into the United States much earlier than usual, the National ...
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