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Category: Astronomy Essentials
Looking for sky almanacs? EarthSky recommends …
Here are some almanacs that show you the rising and setting times for the sun, moon, planets and satellites in your sky.
Bruce McClure
April 10, 2026
Easter is April 5 and Orthodox Easter is April 12
In 2026, Easter falls on April 5. It falls on the first Sunday after the first full moon after the March equinox. More about the date of Easter, here.
Editors of EarthSky
April 3, 2026
Coma Berenices: See how Leo the Lion lost his tail
Coma Berenices is the constellation of Queen Berenice's Hair. It used to be the tail of Leo the Lion before it became its own constellation.
Larry Sessions
Deborah Byrd
March 30, 2026
Look for Mercury farthest from the morning sun on April 3
Mercury will reach its greatest elongation - greatest distance from the sun - on April 3, 2026. Look east at dawn. It'll disappear by late April.
Editors of EarthSky
March 29, 2026
5 moon myths that still fool people today
There are plenty of myths that surround the moon. Here are 5 of the most popular. How many of these myths have you been led to believe?
Larry Sessions
March 27, 2026
Mars sometimes is bright and sometimes is faint
Mars emerged in the April 2026 morning sky and is visible in the morning through year's end. Its next opposition - when it's brightest - is February 2027.
Deborah Byrd
March 25, 2026
Equinox sun above horizon all day at the poles
We know the equinox sun rises due east and sets due west. But what happens at Earth's poles? Does the sun look exactly the same at both poles?
Theresa Wiegert
March 20, 2026
Are day and night equal on the equinox? Not exactly
Are day and night equal at an equinox? No. Earth's atmosphere and our sun team up to give us more day than night during an equinox.
Bruce McClure
March 19, 2026
Equinox fun: Track the sun’s shift now until the solstice
On this equinox, start tracking the sunset point on your western horizon. You'll see a mighty shift between now and the June solstice.
Bruce McClure
March 18, 2026
What’s a galaxy? All you need to know about galaxies
What is a galaxy? We live in a galaxy called the Milky Way. But there is so much more to know about these grand and glorious star islands in space!
Andy Briggs
Editors of EarthSky
March 18, 2026
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