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.December 2025 moon phases and datesMoon ...

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 ...

A Full Moon occurs when the Earth is between the Sun and the Moon. The Moon's orbit creates different phases, including a Full Moon. Full Moons have traditional names, like the Sturgeon Moon. The 2025 ...

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 ...