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Tonight

Visible planets and night sky guide for August
Visible planets and night sky guide. Watch a video about the upcoming Black Moon. And look for Mercury near the horizon in the east at dawn.
Marcy Curran
John Jardine Goss
Deborah Byrd
Kelly Kizer Whitt
August 21, 2025

Astronomy Essentials

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Visible planets and night sky guide for August
August 21, 2025
Rare Black Moon coming August 22-23! Why so special?
August 19, 2025
Look for Mercury farthest from the morning sun August 19
August 17, 2025
Meteor shower guide 2025: Next up is the Draconids
August 15, 2025

Brightest Stars

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Thuban was the North Star for the ancient Egyptians
August 12, 2025
61 Cygni – a double star – is nicknamed Flying Star
August 7, 2025
Eltanin and Rastaban, the Dragon’s eyes
July 29, 2025
Summer Triangle star: Altair is variable and spins fast!
July 23, 2025

Constellations

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Capricornus the Sea-goat has an arrowhead shape
August 21, 2025
Delphinus the Dolphin has a graceful kite shape
August 15, 2025
Is Ophiuchus the 13th constellation of the zodiac?
August 10, 2025
Sagittarius the Archer and its famous Teapot
July 31, 2025

Clusters Nebulae Galaxies

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The Great Rift is a dark swath in the Milky Way
August 20, 2025
The Omega nebula is a star-forming region
July 10, 2025
Rho Ophiuchi is filled with glorious color
June 28, 2025
M5, your new favorite globular star cluster
June 6, 2025

Favorite Star Patterns

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Teapot of Sagittarius points to Milky Way center
August 5, 2025
The Northern Cross: Find the backbone of the Milky Way
July 9, 2025
Summer Triangle: Star pattern of the season
June 24, 2025
The Big and Little Dipper: How to find them in the spring
March 30, 2025
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