Tonight

Cassiopeia the Queen ascends in September and October

Cassiopeia the Queen is an easy-to-find constellation. It has the shape of a W or M. Look for it in the north-northeast sky on September and October evenings.

Editors of EarthSky

September 4, 2026

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Octans and Apus circle the south celestial pole

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Orion’s Belt points to Sirius on September mornings

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Visible planets and night sky guide for September

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August 27, 2026

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Editors of EarthSky

August 18, 2026

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Fomalhaut is the Loneliest Star once again

Larry Sessions

September 2, 2026

Double star 61 Cygni: Why is it known as the Flying Star?

Editors of EarthSky

August 5, 2026

Meet Delta Scorpii, aka Dschubba

Don Machholz

July 30, 2026

Meet Shaula and Lesath, the Scorpion’s Stinger stars

Bruce McClure

July 28, 2026

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Cassiopeia the Queen ascends in September and October

Editors of EarthSky

September 4, 2026

Corona Australis is the sparkling Southern Crown

Kelly Kizer Whitt

September 3, 2026

Telescopium the Telescope is below the Teapot

Kelly Kizer Whitt

August 30, 2026

Delphinus the Dolphin has a graceful kite shape

Kelly Kizer Whitt

August 27, 2026

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The Wild Duck cluster, M11, a lovely open cluster in Scutum

Bruce McClure

August 28, 2026

The Great Rift is a dark swath in the Milky Way

Bruce McClure

August 19, 2026

M6 and M7: Open star clusters in the Scorpion’s Tail

Bruce McClure

July 23, 2026

Find M4: An easy to spot globular cluster near Antares

Deborah Byrd

July 22, 2026

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Teapot of Sagittarius points to the Milky Way’s center

Bruce McClure

August 21, 2026

The Northern Cross: Find the backbone of the Milky Way

Bruce McClure

July 19, 2026

Coathanger cluster: This star pattern looks like its name

Bruce McClure

July 17, 2026

Summer Triangle: Star pattern of the season

June 5, 2026

Cassiopeia the Queen ascends in September and October

Visible planets and night sky guide for September

Meteor shower guide 2026: Up next … the Draconids

Octans and Apus circle the south celestial pole

How many stars can you see on a moonless night?

Orion’s Belt points to Sirius on September mornings

Zodiacal light: Start watching for it now

Astronomy Essentials

Visible planets and night sky guide for September

Do the planets revolve around the sun? Not exactly

Deep partial lunar eclipse overnight

Give me 5 minutes and I’ll give you Saturn

Brightest Stars

Fomalhaut is the Loneliest Star once again

Double star 61 Cygni: Why is it known as the Flying Star?

Meet Delta Scorpii, aka Dschubba

Meet Shaula and Lesath, the Scorpion’s Stinger stars

Constellations

Cassiopeia the Queen ascends in September and October

Corona Australis is the sparkling Southern Crown

Telescopium the Telescope is below the Teapot

Delphinus the Dolphin has a graceful kite shape

Clusters Nebulae Galaxies

The Wild Duck cluster, M11, a lovely open cluster in Scutum

The Great Rift is a dark swath in the Milky Way

M6 and M7: Open star clusters in the Scorpion’s Tail

Find M4: An easy to spot globular cluster near Antares

Favorite Star Patterns

Teapot of Sagittarius points to the Milky Way’s center

The Northern Cross: Find the backbone of the Milky Way

Coathanger cluster: This star pattern looks like its name

Summer Triangle: Star pattern of the season

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Tonight

Cassiopeia the Queen ascends in September and October

Visible planets and night sky guide for September

Meteor shower guide 2026: Up next … the Draconids

Octans and Apus circle the south celestial pole

How many stars can you see on a moonless night?

Orion’s Belt points to Sirius on September mornings

Zodiacal light: Start watching for it now

Subscribe now! A daily update with Science news, great photos, sky alerts.

Astronomy Essentials

Visible planets and night sky guide for September

Do the planets revolve around the sun? Not exactly

Deep partial lunar eclipse overnight

Give me 5 minutes and I’ll give you Saturn

Brightest Stars

Fomalhaut is the Loneliest Star once again

Double star 61 Cygni: Why is it known as the Flying Star?

Meet Delta Scorpii, aka Dschubba

Meet Shaula and Lesath, the Scorpion’s Stinger stars

Constellations

Cassiopeia the Queen ascends in September and October

Corona Australis is the sparkling Southern Crown

Telescopium the Telescope is below the Teapot

Delphinus the Dolphin has a graceful kite shape

Clusters Nebulae Galaxies

The Wild Duck cluster, M11, a lovely open cluster in Scutum

The Great Rift is a dark swath in the Milky Way

M6 and M7: Open star clusters in the Scorpion’s Tail

Find M4: An easy to spot globular cluster near Antares

Favorite Star Patterns

Teapot of Sagittarius points to the Milky Way’s center

The Northern Cross: Find the backbone of the Milky Way

Coathanger cluster: This star pattern looks like its name

Summer Triangle: Star pattern of the season