https://www.mercedsunstar.com/news/article315923563.html https://img.thecontentserver.com/89811876-e3f1-4139-884d-5402aed18498/1_th.jpg Rare Blue Moon to rise at the end of May Catch the rare Blue Moon, which will rise on May 31. A Blue Moon occurs when there are two full moons in a calendar month. A full moon rose on the first day of this month. https://www.mercedsunstar.com/news/article315923563.html/video-embed 39 2026-05-28T16:43:59Z no