Astronomy Articles

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.

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.