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Astronomy Essentials
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Visible planets and night sky guide for November
Marcy Curran
November 2, 2026
Astronomy Essentials
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Halloween is an astronomy holiday. It’s a cross-quarter day
Bruce McClure
October 30, 2026
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Algol the Demon Star, named for its strange behavior
Editors of EarthSky
October 29, 2026
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Magnitude-7.1 earthquake in Alaska

Deborah Byrd
January 24, 2016
 min read

Are the aliens extinct?

Deborah Byrd
January 24, 2016
 min read

2015 hottest year on record, by far

EarthSky Voices
January 23, 2016
 min read

EarthSky News with Deborah Byrd

Deborah Byrd
January 21, 2016
 min read

Solid evidence for a 9th planet

Deborah Byrd
January 20, 2016
 min read

Constellation named for David Bowie?

EarthSky Voices
January 20, 2016
 min read

Milky Way’s second-largest black hole?

Deborah Byrd
Eleanor Imster
January 20, 2016
 min read

How to take photos of snowflakes

Shireen Gonzaga
January 20, 2016
 min read

EarthSky News with Deborah Byrd

Deborah Byrd
January 18, 2016
 min read

Record-shattering super supernova

Deborah Byrd
January 18, 2016
 min read
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