Who Invented the Telescope?
A history this most important important astronomical tool.

What is a Blue Moon?
Ever wonder what a Blue Moon is?

Astronomy Unites World
The universe is yours to discover during the International Year of Astronomy.

Saturn's Disappearing Rings
Saturn will be at opposition on March 8, but where are its "missing" rings?

Do Stars Really Twinkle?
How about planets? Have you ever star gazed and noticed that the stars seem to be blinking at you? Do they really twinkle?

Is There Life On Mars?
You've heard of the "man on the moon" but what about "man on mars?" Read about the idea of a man on mars here.

Stars, Planets and Full Moons
November 12, 2008 4:13 PM

HOT NEWS: Comet 17P/Holmes is undergoing a spectacular eruption!
October 25, 2007 9:14 AM

And We’re Off!
August 31, 2009 10:51 AM

North Star
November 8, 2007 10:54 AM

What is a "Blue Moon"?
For more than half a century, whenever two full Moons appeared in a single month (which happens on average every 2 1/2 to 3 years), the second has been christened a "Blue Moon." In our lexicon, we describe an unusual...