Enjoying EarthSky? Subscribe.

266,169 subscribers and counting ...

Don’t miss the Geminids in 2017!

The Geminid meteor shower is always reliable, but might be extra special in 2017. Peak morning is likely December 14. Be sure to watch for the moon near the morning planets!

Find the Geminid meteors’ radiant point

December’s Geminid meteor shower radiates from the constellation Gemini the Twins. To see it, look east in mid-evening or overhead by about 2 a.m.

Why brighter stars at this time of year?

No matter where you are on Earth on December, January and February evenings, you’re looking toward bright stars in our local spiral arm.

Menkar is the Whale’s alpha star

It’s not the most famous star in Cetus the Whale, or the brightest, although it carries the designation Alpha. But Menkar has its own claims to fame.

When is my earliest sunset?

At the latitude of Miami, Florida or Brownsville, Texas in the U.S. – or, say, the city of Naha in Okinawa, Japan – the earliest sunsets of the year are happening now. How earliest sunset varies with latitude, but always comes before the winter solstice.

Aries? Here’s your constellation

How to see Aries the Ram in your night sky, plus info about this constellation in astronomy history and mythology.

Astro festivals, star parties, workshops

The wintertime star parties are mostly at southerly latitudes. Time to plan a winter vacation!

Say farewell to Venus

Did you see the conjunction of Venus and Jupiter before sunup around November 13? Since then, Jupiter has been climbing away from the sunrise, while Venus has been falling toward it.

Hamal is an ancient equinox star

Hamal is the brightest star in Aries the Ram. How to find it in your sky.

Messier 33: 2nd-closest spiral galaxy

Triangulum galaxy, aka Messier 33. is 2.7 million light-years away, and the 3rd-largest member of our Local Group, after the Milky Way and Andromeda galaxies.