How do we know when the next full moon is? We can consult an almanac, the Internet, or our handy full moon calendar, of course. But if you learn the moon phases, you can wager a pretty good guess no ...

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 ...

How do we know when the next full moon is? While a full moon calendar comes in handy, learning the moon phases will help you predict when the next full moon will be. Another plus? You'll better ...

A look at the phases of the moon, from new moon to full moon, including's tonight's lunar phase. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

What is the moon phase today? Today, Dec. 12, 2025, the moon is 22 days old and is in the Waning Crescent phase of its lunar ...