A rare celestial event is set to light up the night sky this weekend, as what is known as a blue moon rises on May 31. But despite its famous name, stargazers should not expect to see anything blue.

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 ...

Still from the video of Blue Ghost's lunar landing. Firefly Aerospace This weekend Firefly Aerospace made history with the first fully successful moon landing by a private company, and now you can ...

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 ...

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 ...

Something out of this world is happening at the end of this month: a Blue Moon will appear on Sunday, May 31.Note: Watch video above to view more information about previous blue moons. Despite its ...

Tonight's full moon will mark a rare occasion. It will be both a micromoon as well as a blue moon. But don't expect to see drastic changes when you look up at the sky this evening. If you've ever ...

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 ...