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Tonight

Year’s fastest sunsets happen around equinoxes
The year's fastest sunsets are at the equinoxes, and the slowest are at the solstices. We're talking about the minutes needed for the sun to sink below the horizon.
Bruce McClure
September 21, 2021

Brightest Stars

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Alpha Cephei, a fast-spinning star
September 14, 2021
Fomalhaut, loneliest star, near Jupiter and Saturn in 2021
September 9, 2021
Why 61 Cygni is nicknamed Flying Star
August 4, 2021
See Mira the Wonderful at its brightest
August 3, 2021

Favorite Star Patterns

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The Teapot guides you to the galactic center
August 7, 2021
Northern Cross: Backbone of Milky Way
July 18, 2021
Coathanger cluster: Looks like its name
July 17, 2021
The Scorpion’s Crown and its stellar neighborhood
July 9, 2021

Astronomy Essentials

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Year’s fastest sunsets happen around equinoxes
September 21, 2021
Harvest Moon 2021: All you need to know
September 20, 2021
Ceres at opposition, coming up November 27
September 20, 2021
What are red giants?
September 17, 2021

Clusters Nebulae Galaxies

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Wild Duck Cluster, M11, in Scutum
August 26, 2021
Andromeda galaxy: All you need to know
August 24, 2021
Find M4 by the Scorpion’s Heart
August 15, 2021
M5, your new favorite globular star cluster
August 14, 2021

Constellations

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Cassiopeia the Queen ascends in September
September 13, 2021
Capricornus? Here’s your constellation
August 18, 2021
Born under the sign of Ophiuchus?
August 16, 2021
Scutum the Shield is named for a Polish king
July 30, 2021
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