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 ...

The second full moon of May — a blue moon — will make an appearance this weekend.

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.

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

Blue Origin’s New Glenn rocket exploded during an engine-firing test on April 19, destroying the vehicle ahead of a planned ...

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 ...