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?

See the best images of the Blue Moon from around the world as a second dramatic moonrise occurred in the same month in a rare sky event.

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

This weekend will offer a rare treat for stargazers with a special lunar event which last took place almost two years ago. People looking skywards will be able to see a blue moon - weather conditions ...

Add Yahoo as a preferred source to see more of our stories on Google. May 31, 2026 at 4:43 a.m. ET brings us a rare Blue Moon—the second full Moon occurring within a single calendar month—making this ...

The night sky this weekend is set aglow with this year’s only full Blue Moon. Following the full Flower Moon on the first day of May, the 31st marks the completion of yet another lunar cycle and the ...

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

Every full moon has its own charm, but the one arriving on May 31, 2026, is attracting a little more attention than usual. Skywatchers across the world are preparing to witness a rare Blue Moon, an ...