Add Yahoo as a preferred source to see more of our stories on Google. An event that occurs once in a blue moon is coming up on the final day of May. The second full moon of the month will be on May 31 ...

A rare Blue Full Moon is set to grace the night sky, offering sky-gazers an unusual lunar spectacle that will not be seen again in quite the same way for decades. The celestial event is attracting ...

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 ...

"Once in a blue moon" has become synonymous with something rare, yet the astronomical event itself is neither especially unusual nor related to the Moon's color.

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 ...

The second full moon of May will look smaller and dimmer than usual. By Katrina Miller A celestial rarity known as a blue micromoon will grace the night sky this weekend. It arises from the coinciding ...

This only happens once in a blue moon, literally. Central California skygazers are in for a rare treat as May’s second full moon rises soon, and it won’t just be a blue moon. It will also appear as a ...