A second full moon in a calendar month will occur on May 31 and be best seen at moonrise on May 30. Why is the Blue Moon one of astronomy’s most misunderstood terms?

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, ...

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 ...

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 ...

Skywatchers will be treated to a rare sight this month: a Blue Moon that is also a "micromoon." It marks the first time since August 2023 that there have been two full moons in the same calendar month ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A rare blue moon will rise this weekend, marking the second full moon ...

You’ve probably heard the phrase “once in a blue moon” used to describe something that happens rarely — and that makes sense, given that a blue moon usually refers to the second full moon to hit in ...