Astronomy Articles

See the Almanac's Meteor Showers Guide for 2014 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 2015—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?

In 2014, winter begins on December 21, 6:03 P.M. EST. Get more information about the winter solstice below.

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! 

When is the vernal equinox?  In 2014, the vernal equinox (which is also called the spring equinox in the Northern Hemisphere) falls on March 20 at 12:57 P.M. EDT. Enjoy more equinox facts, folklore, and more!

Find the December Cold Moon phases for 2014—plus, best days by the Moon, full Moon names, and more.