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Tonight

Saturn at opposition – brightest for 2026 – on October 4
Don't miss Saturn at opposition on and around the night of October 4, 2026. That's when our planet Earth passes between the sun and Saturn.
Editors of EarthSky
October 3, 2026

Astronomy Essentials

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Saturn at opposition – brightest for 2026 – on October 4
October 3, 2026
Visible planets and night sky guide for October
October 3, 2026
Stargazing tips! 10 great tips for beginning astronomers
October 1, 2026
Neptune at opposition on September 26, 2026
September 25, 2026

Brightest Stars

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Alpha Cephei, or Alderamin, is a fast-spinning star
September 30, 2026
Delta Cephei helps measure cosmic distances
September 10, 2026
Fomalhaut is the Loneliest Star once again
September 2, 2026
Double star 61 Cygni: Why is it known as the Flying Star?
August 5, 2026

Constellations

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Equuleus the Little Horse on autumn nights
September 29, 2026
Octans and Apus circle the south celestial pole
September 6, 2026
Cassiopeia the Queen ascends in September and October
September 4, 2026
Corona Australis is the sparkling Southern Crown
September 3, 2026

Clusters Nebulae Galaxies

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The Andromeda Galaxy: All you need to know
September 23, 2026
The Wild Duck cluster, M11, a lovely open cluster in Scutum
August 28, 2026
The Great Rift is a dark swath in the Milky Way
August 19, 2026
Orionid meteor shower 2026: All you need to know
August 18, 2026

Favorite Star Patterns

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Great Square of Pegasus gallops into the autumn sky
September 20, 2026
Teapot of Sagittarius points to the Milky Way’s center
August 21, 2026
The Northern Cross: Find the backbone of the Milky Way
July 19, 2026
Coathanger cluster: This star pattern looks like its name
July 17, 2026
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