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Tonight Brightest Stars Astronomy Essentials Moon Phases Clusters Nebulae Galaxies Favorite Star Patterns Constellations
Astronomy Essentials
Tonight
Visible planets and night sky guide for October
Marcy Curran
October 3, 2025
Astronomy Essentials
Space
Exoplanets are worlds orbiting other stars
Andy Briggs
October 1, 2025
Brightest Stars
Gamma Cephei, aka Errai, a future North Star
Bruce McClure
September 28, 2025
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Tonight

Visible planets and night sky guide for October

Visible planets and night sky guide. This month is packed with skywatching treats. Watch this video preview with 5 must-see celestial events for October 2025.
Marcy Curran
John Jardine Goss
Deborah Byrd
Kelly Kizer Whitt
October 3, 2025
Visible planets and night sky guide for October
October 3, 2025
Meteor shower guide 2025: Next up is the Draconids
September 1, 2025
International Observe the Moon Night October 4
October 4, 2025
Meteor showers are here! 10 easy tips for watching
October 5, 2025
Watch for the daytime moon after sunrise this week
October 7, 2025
Draconid meteor shower 2025: All you need to know
October 7, 2025

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Astronomy Essentials

View All
Visible planets and night sky guide for October
Marcy Curran
October 3, 2025
Exoplanets are worlds orbiting other stars
Andy Briggs
October 1, 2025
The Big Dipper: Why can’t you see it now?
Deborah Byrd
September 26, 2025
The Super Harvest Moon overnight on October 6-7
Deborah Byrd
September 26, 2025

Brightest Stars

View All
Gamma Cephei, aka Errai, a future North Star
Bruce McClure
September 28, 2025
Fomalhaut is the Loneliest Star … but not in 2025
Larry Sessions
September 15, 2025
Thuban was the North Star for the ancient Egyptians
Bruce McClure
August 12, 2025
61 Cygni – a double star – is nicknamed Flying Star
Larry Sessions
August 7, 2025

Constellations

View All
Cassiopeia the Queen ascends in September and October
Editors of EarthSky
September 11, 2025
Cepheus the King: The constellation that looks like a house
Kelly Kizer Whitt
September 10, 2025
Sagitta the Arrow lies inside the Summer Triangle
Kelly Kizer Whitt
August 31, 2025
Aquila the Eagle soars along the Milky Way
Kelly Kizer Whitt
August 27, 2025

Clusters Nebulae Galaxies

View All
The Andromeda galaxy: All you need to know
Bruce McClure
September 12, 2025
See the Trifid nebula aka Messier 20 tonight
Bruce McClure
August 28, 2025
The Great Rift is a dark swath in the Milky Way
Bruce McClure
August 20, 2025
The Omega nebula is a star-forming region
Bruce McClure
July 10, 2025

Favorite Star Patterns

View All
Great Square of Pegasus gallops into the autumn sky
Deborah Byrd
September 25, 2025
Teapot of Sagittarius points to Milky Way center
Bruce McClure
August 5, 2025
The Northern Cross: Find the backbone of the Milky Way
Bruce McClure
July 9, 2025
Summer Triangle: Star pattern of the season
Deborah Byrd
June 24, 2025
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