Thus, the meaning of once in a blue moon is not too difficult to guess ... As a cloud comes out from behind the dark clouds into a bright blue sky, it is edged with a silvery lining.

The moon dims, the meteors fly, and the planets dance—these are the most exciting celestial events happening this month.

Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky ...

Skygazers in the UK are in for a treat tomorrow night, as the ‘Pink Moon‘ is set to light up the skies – and a unique blue ...

The night sky tonight and on any clear night offers an ever-changing display of fascinating objects you can see, from stars and constellations to bright planets, the moon, and sometimes special ...

A total lunar eclipse illuminated a "blood moon" in the night sky Thursday night and into Friday morning. The moon shifted from its regular bright white ... skies to turn blue and sunsets red.When ...