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Updates on your cosmos and world
Best Places to Stargaze
EarthSky Community Photos
Clusters Nebulae Galaxies
Favorite Star Patterns
Comet C/2017 K2 moves into southern skies
September 23, 2022
2022 September equinox: All you need to know
September 22, 2022
Jupiter at opposition soon, closest in 70 years
September 21, 2022
Best Places to Stargaze
View Community Photos
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Category: Sky Archive
Circumpolar stars stay up all night long
Circumpolar stars are those that never rise nor set from a certain location. At the poles, all stars are circumpolar, while at the equator, no star is.
February 18, 2022
Ursid meteor shower peaks morning of December 22
The Ursid meteor shower always peaks around the December solstice. The dark hours before dawn are best. This year, a nearly full moon interferes.
December 19, 2021
Geminids 2021: 10 tips for meteor-watching
The Geminids is a strong annual meteor shower that peaks in mid-December. 2021 contends with a gibbous moon, so maximize your viewing time with these tips.
December 12, 2021
Observing meteors: Top 10 tips for the Perseids
The 2021 Perseid meteor shower is rising to its peak and many are observing meteors. Here are our best 10 tips for watching this shower, or any other!
Editors of EarthSky
August 6, 2021
Find Perseid and Delta Aquariid radiant points
Every late July and August, two excellent meteor showers overlap. Here's how to find the Perseid and Delta Aquariid radiant points.
July 26, 2021
Come to know the Summer Triangle
Coming to know the Summer Triangle, then seeing it again and again on summer nights, is a deep pleasure that adds to the enjoyment of this season.
June 4, 2021
Leo loses his tail. We gain a constellation
The constellation Leo once had a tail, a clump of faint stars. Now these same stars are known as Coma Berenices, the hair of a queen.
April 9, 2021
Big Dipper stars point to North Star
The 2 outermost stars in the bowl of the Big Dipper always point to the North Star, aka Polaris. That's why astronomers call these stars The Pointers.
February 1, 2021
Achernar marks the end of the River
The bright, southerly star Achernar marks the end of the River in the constellation Eridanus. Many at northerly latitudes make a game of trying to catch a glimpse of it.
January 31, 2021
How to find Delta Aquariid radiant point
How to spot the radiant point for the Delta Aquariid meteor shower, going on now. Plus ... why meteors in annual showers have radiant points.
January 24, 2021
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