Moon Question of the Day
I'm not old enough to remember the Moon landings. I'd like to know what phase the Moon was in on ...
Moon Folklore of the Day
If the new moon is not visible before the fourth day, the air will be unsettled for the whole mon...
Featured Astronomy Articles
The aurora borealis or northern lights is one of nature's most dazzling events. Shimmering curtains of color waft in the night air. Huge arcs and pillars of color dance and float through the dark.
See which eclipses will be visible across North America. See 2015 and 2016 Eclipse Dates.
Each month, we highlight what's happening in the skies—including bright planets, conjunctions, and meteor showers. Read Sky Watch.
Sky Maps (Star Chart)
Get free, printable Sky Maps (Star Charts) to find your way around the night sky.
View Sky Maps for this month.
Catch a star! See meteor showers dates for 2015 —plus viewing tips.
With the Tide Predictions Calculator, find high and low beach tides for any location in the U.S. and Canada for any date.
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See more posts in the: Astronomy Forum
Lunar crescents following new Moon
Thank you for making Bob Berman's excellent article available from the 2011 Old Farmer's Almanac. To find Bob Berman's article. First, under the Astronomy option: Go to Moon...
Angle of the Sun
Hello! I was wondering why the angle of the sun is different in Autumn than in Spring. The Azimuths are the same, but in Autumn the shadows are longer and the light seems...
does anyone know what happened to her thread for best surgery dates? i can no longer put off knee replacement and have run out of time so i must get it done next month. i have no...
Colors around Moon
I remember reading in the almanac what it means when you seen blue or other colored auras around the moon, but I can't remember what it said. Can anyone bring me up to date with...