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 ...

Blue Moon 2026: On the final day of May, the night sky will bear witness to a true blue moon—the second full moon to appear in the sky within a single month. This rare celestial event comes around ...

Add Yahoo as a preferred source to see more of our stories on Google. May started with a full moon, and it's set to end with a rare blue moon. This one is special and it's rising soon. Full moons ...

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 and is known as the blue moon. It follows a dazzling flower moon that ...

You’ve probably heard the phrase “once in a blue moon.” Maybe you’ve even used it to describe an occasional occurrence in your life — the frequency with which you buy a new cellphone, for example. 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 ...

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 ...

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 ...

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, ...

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 it will also be a micromoon. The blue moon will take place soon, ...