Blue moons, blood moons and honey moons have all worked their way into fiction and folklore, but the changing hue of our planet's biggest satellite remains rooted in science. The moon doesn't produce ...

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 ...

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 ...

You’ll be able to get a glimpse in the southwest sky just before dawn on Sunday; here’s more on how blue moons came to be.

The Moon does not make its own light. "Moonlight” is actually reflected sunlight. At any moment, half of the Moon is brightly sunlit (this is the day side). The other half is in the dark (this is the ...

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