This week in Skywatch, I want to go back to basics when it comes to the moon. So why does the moon change shape? Why is it a crescent on one night, a half-moon another night, and a full moon on yet ...
What is the moon phase today? Today, Dec. 2, 2025, the moon is 12 days old and is in the Waxing Gibbous phase of its lunar cycle. It is 90% illuminated. Moon phase Date Full Moon Dec. 4 Third/Last ...