The next full moon will be on Friday ... 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).

The next black moon will occur on Dec. 30, 2024, and will be the second new moon in a calendar month. Looking for a telescope to observe the moon or anything else in the sky? We recommend the ...

Time left before next release is indicated so you quickly grasp when this is coming. When a new data is released, the calendar page is automatically refreshed so you do not miss it. If you want ...