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?

A rare blue moon peaks early Sunday morning. It is a micromoon, so it may appear smaller and dimmer than usual. What to know ...

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, ...

The blue moon peaked on May 31, but don't worry if you missed it. Here's when the next full moon will light up the sky.

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

What is the Strawberry Moon? Why does it appear unusually low? From the Moon illusion to blue moons, micromoons, and lunar ...

Turns out the phrase has way less to do with the moon and way more to do with a decades-old misunderstanding You’ve probably said “once in a blue moon” a thousand times in your life. Maybe to describe ...