May’s sky features not one but two full moons as well as the dazzling Eta Aquarids meteor shower. Here’s when to look up for the month’s most striking alignments.

Ever heard the phrase “once in a blue moon?” It’ll take on a special meaning for California sky watchers in May. Stargazers can spot two full moons, a meteor shower and more. The fifth full moon of 2026 will reach peak illumination at 10:23 a.m. on Friday, May 1, according to online clock Time and Date.

In May 2026, there are two full moons and there's a super new moon. The second full moon is a blue moon, which only happens every 2 and a half to 3 years.

A once in a Blue Moon event will occur in the skies above Portland this week, and the weather conditions should be just about perfect.

The Full Flower Moon rises over Lake Superior from Brighton Beach on May 1. This month is rich in full moons, with the second full moon — called a Blue Moon — on the night of May 30-31.

Blue Origin's next mission toward the Moon is progressing, with the Blue Moon Mark 1 cargo lander being tested at Cape Canaveral.

Montana skies are lining up for a rare Blue Moon and meteor shower this May, making it a perfect time to step outside and look up.

May's full moon will rise tonight -- and it will be the first of two full moons during the month. Here's when they peak.