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What is a Blue Moon and when can you see the next one in 2026?

A Blue Moon is a rare occurrence that depends on the timings of full moons during the year. The moon is not blue during a Blue Moon.
El Adelantado de Segovia

NASA is once again looking at the lunar calendar, as May 2026 prepares for a Blue Moon that won’t be blue, but will break the routine

A Blue Moon is coming our way in 2026. May will feature two full Moons: the first on May 1st and the next on May 31st. Consequently, 2026 will have a total of ...