Enjoying EarthSky? Subscribe.

270,226 subscribers and counting ...

Algol is the Demon Star

What’s the scariest star in all the heavens? Around Halloween, look for Algol – a star named for a demon!

Mirach is guide star to three galaxies

The orange-colored star Mirach in the constellation Andromeda acts as your guide star to 3 different galaxies.

International Observe the Moon Night

A global, public event coming up on October 28. Click in for links to events near you, and to learn how to participate online.

Watch for zodiacal light or false dawn

It’s not too late to see the zodiacal light, an eerie light extending up from the horizon before true dawn begins to light the sky. Southern Hemisphere? Look after sunset!

How to see Auriga the Charioteer

Come to know constellation Auriga’s bright star Capella and the little asterism called The Kids.

See it! Orionid meteors this weekend

This weekend’s Orionid meteor shower didn’t disappoint. EarthSky community photos, here.

Young moon, refracted by atmosphere

Wonderful timelapse from Mike Cohea showing the October 20 young moon – only 1.3% illuminated – setting over Newport, Rhode Island, being refracted by Earth’s atmosphere. 

Watch for Taurid fireballs, too

North and South Taurid meteor showers happen simultaneously in late October and November. They’re relatively minor showers, but produce a high percentage of fireballs, or bright meteors.

Look for Orionid meteors this month

Details on the annual Orionid meteor shower. How and when to watch. In 2017, the peak morning is probably October 21. But start watching now, before dawn!

Schedar lies at the Queen’s heart

Cassiopeia the Queen is one of the easiest-to-recognize constellations, having the shape of an M or W, Schedar is the Queen’s brightest star.