The final full moon of the summer rises bright in the night sky on Tuesday. Known as the "Corn Moon," it only happens once every three years.
Known as the "Corn Moon," it only happens once every three years. September's full moon was given its name by the Algonquin tribes living in the northeastern U.S., according to The Old Farmer's Almanac. They named it for the time of year when they harvested staple crops like corn, pumpkins, squash, beans and wild rice.
