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Astronomy Articles

See the Almanac's Meteor Showers Guide for 2015 for the dates of all the principal meteor showers during the year—plus viewing tips.

Comets are quite the celestial spectacle.  Would you believe that they are simply pieces of dusty ice?

It's the Wolf Moon! Find January Full Moon phases for 2016—plus, best days by the Moon, full Moon names, and more.

Thousands of years ago, people spent hours gazing at the night sky. They found that by connecting the stars as if they were dots, patterns emerged that resembled animals, people and things.

Have you ever noticed that on an overcast day the sun will often break through the clouds close to midday?

Named after the Roman god of war, the planet Mars was probably associated with the deity Mars because of its reddish tinge. Red was the color of anger, fire, war, and blood.

Sister planet. Nearest neighbor. Goddess of love. How appealing the planet Venus sounds! 

In 2015, the autumnal equinox brings the start of fall on the 23rd at 4:21 A.M. Enjoy a first day of fall facts, folklore, and more!

Our "Planting by the Moon's Phase" gardening calendar is a longtime Old Farmer's Almanac tradition. According to this practice, cycles of the Moon affect plant growth. 

When does spring 2015 begin? On this page, get informed about the vernal equinox...


2015 Special Edition Garden GuideCooking Fresh with The Old Farmer's AlmanacThe Almanac Monthly Digital MagazineWhat the heck is a Garden Hod?