Moon Question of the Day
What were the Blue Moons during the Civil War years (1861-1865)?
Moon Folklore of the Day
Clear Moon, Frost soon. -Scottish proverb
Sky Maps (Star Chart)
Get free, printable Sky Maps (Star Charts) to find your way around the night sky. View Sky Maps for February 2016.
Each month, we highlight what’s happening in the skies—including bright planets, conjunctions, and meteor showers. Read Sky Watch.
See which eclipses will be visible across North America. See 2016 Eclipse Dates.
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.