December 2025 astronomy guide: Supermoon, Geminids and the month’s best sky events; plus, Winter storm to ring in December from Midwest to Northeast

From a bright supermoon to the Geminid meteor shower, December is filled with must-see astronomy events. Here's when and how to see each celestial sight. Also, December's first week will feature multiple rounds of wintry weather in the Midwest and Northeast, starting with a sprawling storm which will bring several cities their first accumulating snow of the season by Tuesday. Learn more about your ad choices. Visit podcastchoices.com/adchoices