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Astronomy Articles

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

In 2014, the autumnal equinox brings the fall season to the Northern Hemisphere on: September 22 at 10:29 P.M. EDT. Enjoy a first day of fall poem, quotes, pictures, folklore, and more!

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.

Here are highlights of the November 2014 Moon! The Almanac's monthly Moon guide keeps you informed about full Moon names, Moon phase dates, and Best Days by the Moon.

Long ago, people could find their way in the outdoors without a compass—at night or during the day, using natural directional signs. Here are some pointers for the next time you are camping, hiking, or just outdoors. Don't get lost!

You may have heard that Pluto is no longer a planet. Here's the skinny on what was once known as our Sun's smallest planet.

Find the October Hunter's Moon phases for 2014—plus, best days by the Moon, full Moon names, and more.

Here are highlights of the Harvest Moon for September 2014. The Almanac's monthly Moon guide keeps you informed about full Moon names, Moon phase dates, and Best Days by the Moon.

Find the August Sturgeon Moon phases for 2015—plus, best days by the Moon, traditional Moon names, and more.