The night sky this weekend is set aglow with this year’s only full Blue Moon. Following the full Flower Moon on the first day of May, the 31st marks the completion of yet another lunar cycle and the ...

Add Yahoo as a preferred source to see more of our stories on Google. May 31, 2026 at 4:43 a.m. ET brings us a rare Blue Moon—the second full Moon occurring within a single calendar month—making this ...

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 ...

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. 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 ...

Skywatchers are in for a treat this year: There will be 13 full moons in 2026 rather than a dozen. These include three supermoons, two micromoons, a blood moon (total lunar eclipse) and a blue moon.

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, ...