May's blue moon will also be a micromoon. Here's what to know.

The blue moon happens once every two to three years, and the next one won't occur into December 2028.

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?

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

A Rare blue moon and micromoon rises this weekend, giving skywatchers worldwide a chance to catch the year’s second full moon.

The blue moon will be the second of two full moons in the same month, a coincidence that only takes place about every two and ...

Do they really happen "once in a Blue Moon?” ...

A blue micromoon will make a rare appearance this weekend, offering skywatchers a sight they won't have a chance to witness again until the very end of 2028. The blue micromoon is a blue moon that's ...

The second full moon of May rises this weekend — here’s exactly when and where to see the so-called Blue Moon at its best.

This rare lunation, which next occurs in 2028, marks the culmination of the current lunar cycle—and harbors a mix of celestial extremes that make it electric.

Why is May’s full moon so special? What to know the blue moon, according to an astronomer, and why it’s considered a micromoon.

What is it about the Blue Moon that inspires us to write songs and name beers after it?