Earth's Moon, the planet's only natural satellite, is so close that you can see some of its surface features with the naked eye—but only when it's at least partially illuminated by the Sun. In this ...

What is the moon phase today? Today, Dec. 29, 2025, the moon is 9 days old and is in the Waxing Gibbous phase of its lunar cycle. It is 74% illuminated. Moon phase Date Full Moon Dec. 4 Third/Last ...