What is the moon phase today? Today, Dec. 31, 2025, the moon is 11 days old and is in the Waxing Gibbous phase of its lunar cycle. It is 91% illuminated. Moon phase Date Full Moon Dec. 4 Third/Last ...

Add Yahoo as a preferred source to see more of our stories on Google. March’s “worm moon” sets behind Rocca Calascio castle and village in L’Aquila, Italy. Photograph by Lorenzo Di Cola, ...