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Myth Busted: Does the Blue Moon Make Us Crazy?

This photo of a blue moon was taken from Boca Raton, Fla., on New Year's Eve 2009. Blue moons aren't actually blue-hued, though that's not to say humans haven't seen blue and even green moons.

August's rare blue moon

September 1, 2012

A second full moon of the month, known as a "blue moon," gave skygazers a sight to behold on Friday, Aug. 31, 2012. It was the last blue moon until 2015.