Enjoying EarthSky? Subscribe.

272,893 subscribers and counting ...

Which moon phase best for stargazing?

Most astronomers would tell you that the best moon is no moon.

Moon and Gemini stars May 18 and 19

Gemini’s 2 brightest stars – Castor and Pollux – represent twins in many cultures.

Meet Corvus the Crow

Corvus is a small constellation, recognizable for its compact, boxy shape. It’s a fun one!

Find the Keystone in Hercules

The Keystone is a noticeable pattern of 4 stars in the constellation Hercules. The bright star Vega acts as your guide to finding it.

Bright star Vega on May evenings

Bright, bluish Vega marks the constellation Lyra the Harp.

We go between sun and Jupiter May 8-9

Jupiter rises when the sun sets. It’s ascending in the east in evening twilight. Turn around and look for Venus in the west. Venus and Jupiter will be super bright as night falls, balancing the 2 sides of your sky.

Moon in Winter Circle April 19 to 21

What a great time to identify many bright stars! Let the moon be your guide.

How do you star hop?

Star hopping is a great way to learn the night sky. Start with the brightest, most noticeable stars and constellations and hop from there.

Clock time and sun time agree

Sundial and clock agree every year in middle April. It means that, when the midday sun climbs highest, the sundial reads 12 noon and your local clock says 12 noon.

Meet M13, the Great Cluster in Hercules

Many stargazers call it the finest globular cluster in the northern half of the heavens. It’s M13, also known as the Great Cluster in Hercules.