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Visible planets and night sky guide for May
Marcy Curran
May 7, 2026
Clusters Nebulae Galaxies
Meet Omega Centauri, a giant globular star cluster
Bruce McClure
May 6, 2026
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2026 Eta Aquariid meteor shower best before dawn on May 5
Editors of EarthSky
May 4, 2026
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What is dark energy?
EarthSky Voices
September 11, 2015
min read
What is the Yellowstone supervolcano?
Deanna Conners
September 4, 2015
min read
Why do volcanoes erupt?
EarthSky Voices
August 20, 2015
min read
Dates of sun’s entry into each zodiac constellation
Bruce McClure
August 10, 2015
min read
Can a human singing voice shatter glass?
Editors of EarthSky
Holly Clark Coburn
June 27, 2015
min read
Measuring sea level on a dynamic Earth
EarthSky Voices
June 10, 2015
min read
How much do oceans add to world’s oxygen?
Editors of EarthSky
June 8, 2015
min read
What is a dwarf planet?
Eleanor Imster
May 8, 2015
min read
What’s the real deal with shark attacks?
EarthSky Voices
April 21, 2015
min read
What is the smell of rain?
EarthSky Voices
April 18, 2015
min read
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