The December full moon captivated skywatchers worldwide as it lit up the cold winter skies over the weekend. A full moon occurs when the moon is on the opposite side of Earth from the sun.

Each moon has multiple names. December’s full moon is best known as the cold moon. As NASA points out, this Mohawk name helps describe the chilly temperature of winter. It also goes by “frost ...

The December Cold Moon is due to light up the night skies this week. It will appear largest at 4:01 a.m. ET on Sunday, December 15, and marks the final full moon of the year. The Cold Moon is the ...

December: Cold moon – Dec. 4, 6:14 p.m.; as winter approaches, this moon reflects the bitter cold and long nights of December. This is the last supermoon of the year.

There's a full moon shining in every calendar month of 2025 on these dates: Jan. 13, Feb. 12, March 14, April 13, May 12, ...

While a blue moon represents the second full moon in a month, a black moon is the second new moon in a month. It can also mean the third new moon when there's a season with four new moons (instead of ...

and the Cold Moon occurs in frosty December. At least, that's how it works in the Northern Hemisphere. In the Southern Hemisphere, where the seasons are switched, the Harvest Moon occurs in March ...