While the moon has four primary phases each month, it is always changing. As you observe the moon during the month, watch as it grows from a new moon to a first quarter moon. As it grows ...
The images below show the day-by-day phases of the Moon in September. The Full Moon this month is Tuesday, Sept. 17. It is also this year’s Harvest Moon. Note: Moon phases in the calendar vary ...
And sometimes — once in a blue moon — the moon is full twice in a month (or four times in a season, depending on which definition you prefer). If you want to know what you can see tonight ...