A black moon is a rare occurrence. The next Black Moon will occur on Aug. 23, 2025. This is considered a Black Moon under the definition of the third new moon in a season of four new moons.
“Leave it as it is,” declared U.S. President Teddy Roosevelt after a 1903 sojourn at the Grand Canyon. “You cannot improve on it. The ages have been at work on it, and man can only mar it.” ...