Understand the moon phases and you can wager a pretty good guess for when the next full moon is just by looking up.

or "gibbous," shape until it reaches the full moon stage. Then it will repeat the steps in reverse as it heads back to a new moon. You can see what today's moon phase is here with the embedded ...

The moon, our closest celestial neighbor, has been a source of wonder, inspiration, and mystery for centuries. Its phases—waxing, waning, full, and new—are more than just a mesmerizing light ...