December is coming to an end with a "black moon" on Monday night, Dec. 30, but those hoping to see the phenomenon will be out of luck. That's because a black moon is the term for the second new ...

As the next full moon nears, a rare new moon marks the end of 2024 — the black moon. The black moon is a rare celestial phenomena that happens roughly every 29 months or longer.

The name Black Moon comes from the invisibility of this new moon, according to the Old Farmer's Almanac. More: Ring in 2025 with the year's first meteor shower, peaking over Michigan Jan. 2-3 ...

In metro Phoenix, the black moon on Monday, Dec. 30, can be observed by finding a clear spot with minimal light pollution, though the moon itself will be invisible due to its alignment.