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September full moon is a Super Harvest Moon September 17-18
John Jardine Goss
September 16, 2024
Astronomy Essentials
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Visible planets and night sky guide for September
Marcy Curran
September 16, 2024
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Larry Sessions
September 15, 2024
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September full moon is a Super Harvest Moon September 17-18
The September full moon - the Super Harvest Moon - happens overnight on September 17-18, 2024. This full moon lies near Saturn.
John Jardine Goss
Deborah Byrd
September 16, 2024
Visible planets and night sky guide for September
September 16, 2024
Meteor shower guide 2024: The Draconids best around Oct 8
September 1, 2024
2nd eclipse season of 2024 starts September 17-18
September 17, 2024
Partial lunar eclipse September 17-18, 2024
September 17, 2024
Equinox sun rises due east and sets due west
September 18, 2024
Our top 10 stargazing tips for beginning astronomers
September 18, 2024
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Astronomy Essentials
View All
Visible planets and night sky guide for September
Marcy Curran
September 16, 2024
International Observe the Moon Night September 14
EarthSky Voices
September 13, 2024
What does opposition mean for an outer planet?
Scott Levine
September 8, 2024
Saturn at opposition – brightest for 2024 – on September 8
Editors of EarthSky
September 7, 2024
Brightest Stars
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Meet Delta Scorpii, aka Dschubba, it’s a variable star
Don Machholz
July 24, 2024
Summer Triangle star: Vega is bright and blue-white
Larry Sessions
July 19, 2024
Summer Triangle star Deneb is distant and luminous
Larry Sessions
July 12, 2024
Summer Triangle star: Altair is variable and spins fast!
Larry Sessions
July 10, 2024
Constellations
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Cassiopeia ascends in September and October
Editors of EarthSky
September 13, 2024
Corona Australis is the sparkling Southern Crown
Kelly Kizer Whitt
September 12, 2024
Telescopium the Telescope is below the Teapot
Kelly Kizer Whitt
August 29, 2024
Sagitta the Arrow lies inside the Summer Triangle
Kelly Kizer Whitt
August 27, 2024
Clusters Nebulae Galaxies
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The Andromeda galaxy: All you need to know
Bruce McClure
September 5, 2024
The Great Rift is a dark swath in the Milky Way
Bruce McClure
August 28, 2024
The Wild Duck Cluster, M11, a lovely open cluster in Scutum
Bruce McClure
August 8, 2024
M6 and M7: Open star clusters in the Scorpion’s Tail
Bruce McClure
July 18, 2024
Favorite Star Patterns
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Great Square of Pegasus gallops into the autumn sky
Deborah Byrd
September 10, 2024
Teapot of Sagittarius points to Milky Way center
Bruce McClure
August 23, 2024
The Northern Cross: Find the backbone of the Milky Way
Bruce McClure
July 25, 2024
Coathanger cluster: This star pattern looks like its name
Bruce McClure
July 9, 2024