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Tonight

Flashing star in autumn? Here are 3 candidates
Some October night, check out 3 of the flashiest stars in the night sky ... at least at this time of year. And here's why you see these as a flashing star.
Deborah Byrd
October 3, 2024

Astronomy Essentials

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Flashing star in autumn? Here are 3 candidates
October 3, 2024
Annular solar eclipse today! See a ring of fire
October 2, 2024
Jupiter is bright in the morning sky, opposition in December
September 25, 2024
Venus after sunset 2024: Back in the evening sky
September 25, 2024

Brightest Stars

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Fomalhaut is the loneliest star in the southern sky
September 29, 2024
Delta Cephei helps measure cosmic distances
September 24, 2024
Meet Delta Scorpii, aka Dschubba, it’s a variable star
July 24, 2024
Summer Triangle star: Vega is bright and blue-white
July 19, 2024

Constellations

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Equuleus the Little Horse on autumn nights
September 27, 2024
Octans and Apus circle the south celestial pole
September 25, 2024
Cassiopeia ascends in September and October
September 13, 2024
Corona Australis is the sparkling Southern Crown
September 12, 2024

Clusters Nebulae Galaxies

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The Andromeda galaxy: All you need to know
September 5, 2024
The Great Rift is a dark swath in the Milky Way
August 28, 2024
The Wild Duck Cluster, M11, a lovely open cluster in Scutum
August 8, 2024
M6 and M7: Open star clusters in the Scorpion’s Tail
July 18, 2024

Favorite Star Patterns

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Great Square of Pegasus gallops into the autumn sky
September 10, 2024
Teapot of Sagittarius points to Milky Way center
August 23, 2024
The Northern Cross: Find the backbone of the Milky Way
July 25, 2024
Coathanger cluster: This star pattern looks like its name
July 9, 2024
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