A monthly black moon, which is not an astronomical term used by scientists, often refers to the second new moon in a calendar ...

In December 2024, a rare celestial event known as the Black Moon will occur, marking the second new moon in a single month.

That's because a black moon is the term for the second new moon to fall in a single calendar month, and new moons appear invisible to the naked eye from Earth. While new moons happen throughout ...

Astrophiles can look forward to a rare Black Moon on December 30-31, 2024. This event, marked by two new moons in one calendar month, will darken the ...