Did Most of the Universe Go Missing?
Seventy-one years ago, most of the universe went missing. According to many astronomers, it's still missing.
I've heard that if you cut your hair on a full Moon, your hair grows healthier and faster. Is thi...
Seeing a new moon straight ahead is considered to be very lucky.
With the Tide Predictions Calculator, find high and low beach tides for any location in the U.S. and Canada for any date.
Each month, we highlight what's happening in the skies—including bright planets, conjunctions, and meteor showers. Read Sky Watch.
Get free, printable Sky Maps (Star Charts) to find your way around the night sky.
View Sky Maps for JUNE.
Catch a star! See meteor showers dates for 2015 —plus viewing tips.
Which eclipses are visible where you live? Check the 2015 and 2016 Eclipse Dates.
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