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The Harvest Moon is coming. Video and more here
Deborah Byrd
September 26, 2023
Astronomy Essentials
Visible planets and night sky for September and October
Marcy Curran
September 26, 2023
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Fomalhaut is the loneliest star in the southern sky
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September 24, 2023
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Tonight
The Harvest Moon is coming. Video and more here
In 2023, the Northern Hemisphere's Harvest Moon falls overnight September 28-29, or almost six days after the September equinox. It's also a supermoon.
Deborah Byrd
September 26, 2023
Visible planets and night sky for September and October
September 26, 2023
Meteor shower guide: Up next October Draconids and Orionids
September 15, 2023
Do you sleep less before a full moon? Research says yes
September 27, 2023
Great Square of Pegasus gallops into the autumn sky
September 27, 2023
The Astronomical Calendar 2024 by Guy Ottewell is here
September 27, 2023
September full moon 2023 is a super Harvest Moon
September 28, 2023
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Astronomy Essentials
View All
The Harvest Moon is coming. Video and more here
Deborah Byrd
September 26, 2023
Visible planets and night sky for September and October
Marcy Curran
September 26, 2023
2023 September equinox: All you need to know
Deborah Byrd
September 22, 2023
On the equinox, are day and night equal?
Bruce McClure
September 21, 2023
Brightest Stars
View All
Fomalhaut is the loneliest star in the southern sky
Larry Sessions
September 24, 2023
Delta Cephei helps measure cosmic distances
Bruce McClure
September 10, 2023
Alderamin, or Alpha Cephei, is a fast-spinning star
Bruce McClure
September 10, 2023
61 Cygni – a double star – is nicknamed Flying Star
Larry Sessions
August 11, 2023
Constellations
View All
Cassiopeia ascends in September and October
Editors of EarthSky
September 13, 2023
Cepheus the King: The constellation that looks like a house
Kelly Kizer Whitt
September 6, 2023
Is Ophiuchus the 13th constellation of the zodiac?
Bruce McClure
August 30, 2023
Capricornus the Sea-goat has an arrowhead shape
Bruce McClure
August 27, 2023
Clusters Nebulae Galaxies
View All
Andromeda galaxy: All you need to know
Bruce McClure
September 12, 2023
The Great Rift is a dark swath in the Milky Way
Bruce McClure
August 15, 2023
Explore the Lagoon Nebula, M8, in Sagittarius
Larry Sessions
August 10, 2023
The Wild Duck Cluster, M11, a lovely open cluster in Scutum
Bruce McClure
August 6, 2023
Favorite Star Patterns
View All
Teapot of Sagittarius points to Milky Way center
Bruce McClure
August 11, 2023
The Scorpion’s Crown and its stellar neighborhood
Shireen Gonzaga
July 27, 2023
The Northern Cross: Find the backbone of the Milky Way
Bruce McClure
July 18, 2023
Coathanger cluster: It does look like its name
Bruce McClure
July 9, 2023