Posts by 

Bruce McClure

Can a single season have only 2 full moons?

We know it's possible to squeeze 4 full moons into a single season. But can a season have just 2 full moons? Turns out it can, but it is rare.

Virgo the Maiden represents a harvest goddess

Virgo the Maiden is the largest of the zodiac constellations. It's large and faint, but its brightest star Spica is easy to find.

Find the Keystone in Hercules, and the Hercules Cluster M13

Let the bright star Vega guide you to a famous star pattern in Hercules - called the Keystone - and then to the Hercules Cluster, aka M13.

How to see the Southern Cross from the Northern Hemisphere

The Southern Cross can be seen from the Northern Hemisphere, as long as you're below 26 degrees north and know when and where to look!

Polaris is the present-day North Star of Earth

Many people think Polaris is the brightest star, but it's only 48th in brightness. Still, Polaris is famous because the entire northern sky wheels around it.

Meet Omega Centauri, a giant globular star cluster

Omega Centauri is the Milky Way's largest globular star cluster. It contains about 10 million stars. Find out how to see this beautiful behemoth here.

Leo the Lion and its easy to see backward question mark

Leo the Lion - one of the zodiacal constellations - is a prominent fixture from April through June in the evening sky. It’s easy to spot by finding the Sickle.

Meet M13, the Great Globular 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 Globular Cluster in Hercules.

Looking for sky almanacs? EarthSky recommends …

Here are some almanacs that show you the rising and setting times for the sun, moon, planets and satellites in your sky.

The Big and Little Dipper: How to find them in spring

You can spot the Big and Little Dipper in the northern sky year-round. Follow the Big Dipper’s pointer stars to find Polaris and the Little Dipper.