A rare lunar sight is set to give skywatchers one more reason to look up before the month is over. The next full moon reaches peak illumination at 4:45 a.m. Eastern time on Sunday, May 31, and it will ...

May will feature two full moons, one on May 1 and another on May 31. The first full moon is called the flower moon, while the second is known as a blue moon. The blue moon on May 31 will also be a ...