On May 31, the lunar month culminates in a Blue Moon  — in this case, the second full moon in a calendar month. The "Blue Moon" moniker adds a touch of drama to this full moon, calling to mind the emotive associations from popular culture over the last century.

Soon... full moon! The next full moon will light the night skies on Sunday, May 31. If you've ever wanted to take a great picture of the Moon, check out our Lunar Photography Guide for tips and tricks: https://t.co/wp8uMt6pVP pic.twitter.com/nNRj0Ky2Mm — NASA (@NASA) May 28, 2026

Sky watchers will be getting a double lunar treat in May 2026, with two full moons set to glow in the night sky during the same calendar month. The so-called “flower moon” will be turning full on May 1, followed by a “blue moon” on May 31.

Skywatchers are preparing for one of 2026’s most beautiful lunar events as a rare Blue Moon rises alongside bright stars and planets. Even though Blue Moons do not actually appear blue, they continue to capture public fascination because of their rarity and unique timing.

Add Yahoo as a preferred source to see more of our stories on Google. A ‘Super Blue moon’ rose in the skies of the Dutch city of Nijmegen during the night from August 31st to September 1st, 2023. This weekend, Earth will be treated to a nice blue moon.

The rare Blue Moon 2026 is rising tomorrow, but will it actually change its colour? Learn how to watch this celestial event from India and understand the science behind it.

Skywatchers and hopeless romantics across Spain can look forward to a calendar rarity this week as the end of May brings a rare blue moon