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Halloween is an astronomy holiday. It’s a cross-quarter day
Bruce McClure
October 30, 2026
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Visible planets and night sky guide for October and November
Marcy Curran
October 30, 2026
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Algol the Demon Star, named for its strange behavior
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October 29, 2026
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Ghostly white animals: What’s the cause?
Deanna Conners
October 30, 2026
min read
Goblin sharks, ghost crabs and vampire bats, oh my!
Deanna Conners
October 28, 2026
min read
2026 has 3 Friday the 13ths. What are the odds?
Bruce McClure
September 30, 2026
min read
Will you see colors in aurora? Or do you need a camera?
EarthSky Voices
August 25, 2026
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Voyager 2 spacecraft launched 49 years ago today
Deborah Byrd
Elizabeth Howell
August 20, 2026
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How does smoke from wildfires affect birds?
Deanna Conners
July 15, 2026
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Baily’s beads seen during a solar eclipse today in 1836
Elizabeth Howell
Deborah Byrd
Don Machholz
May 15, 2026
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Today in science: Neil Armstrong’s close call
Deborah Byrd
May 6, 2026
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Jan Oort birthday and discovery of the Oort Cloud
Daniela Breitman
April 28, 2026
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Why do tinamou birds lay such colorful eggs?
Deanna Conners
April 3, 2026
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