Today, Dec. 30, 2025, the moon is 10 days old and is in the Waxing Gibbous phase of its lunar cycle. It is 83% illuminated.

The Moon's phases are caused by changing amounts of sunlight reflecting off its surface as it orbits Earth. Lunar eclipses happen during a Full Moon when Earth is between the Sun and Moon. Solar ...

Moon phases reveal the passage of time in the night sky. Some nights when we look up at the moon, it is full and bright; sometimes it is just a sliver of silvery light. These changes in appearance are ...