Add Yahoo as a preferred source to see more of our stories on Google. Another plus? You'll better understand other astronomical events, such as solar eclipses, which happen only during a new moon ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

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 ...