Add Yahoo as a preferred source to see more of our stories on Google. This only happens once in a blue moon, literally. May's second full moon is almost here, and not only is it a rare blue moon, but ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A full Blue Moon is coming this weekend — and despite the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The so-called Blue Moon rose at dusk on Saturday, May 30, ...

A blue moon is not a sign that the moon will look blue. Instead, the phrase usually refers to an extra full moon that does not fit neatly into the calendar. There are two commonly used definitions. A ...

Add Yahoo as a preferred source to see more of our stories on Google. A full sturgeon supermoon, also a blue moon, sets behind Rocca Calascio Castle in Calascio ...

CLEVELAND, Ohio — Skywatchers in Northeast Ohio and beyond will get a “once in a blue moon” moment this weekend — but don’t expect the moon to actually turn blue. The full moon on Sunday, May 31, will ...