May's blue moon will illuminate the night sky this weekend, but don't expect the moon to actually look blue. On Sunday, May ...

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 ...

The second full moon of May takes to the night sky tonight. Here's what to expect.

See spectacular photos of the Blue Moon, the rare second full moon of the month, captured by skywatchers worldwide.

Despite its name, a “blue moon” doesn’t actually appear blue. A blue moon describes the second full moon in a single month.

Look to the sky Saturday and Sunday nights, and you will see the rare heavenly sight known as a blue moon. It is the second ...

Despite its poetic nickname, the moon that’s turning full on May 31 will not sport a blue tint. Instead, it will look like an ...

North America’s celestial highlights for the weekend ahead, which also apply to mid-northern latitudes in the northern ...

The second full moon of May peaks early Sunday, marking a blue moon Californians won’t see again for more than two years.

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.

May's second full moon is almost here, and not only is it a rare blue moon, but it will also be a micromoon. The blue moon will take place soon, giving us two full moons in the month. Usually, the ...

Skywatchers in China's Hubei province caught a remarkable double celestial event on Sunday – a blue micro moon glowing over ...