How astronomy has an important role in human development through history.

Dec 29, 2010 - Joe Martin

Occultations are a perspective effect that occur when one celestial body appears to pass in front of or behind a different body.

May 27, 2010 - Kelly Whitt

What is the difference between a constellation versus an asterism and what are the most common asterisms in the night sky?

May 13, 2010 - Kelly Whitt

Check your facts with this astronomy quizzer.

Sep 1, 2008 - Kelly Whitt

In addition to visible light, astronomers use ultraviolet, infrared, radio waves, X-rays and gamma rays to study planets, stars, galaxies, and other celestial objects.

May 22, 2008 - Paul A. Heckert

Instead of optical telescopes, astronomers use antennas and computers to study the Universe at wavelengths invisible to the human eye. So, how does that work?

Nov 6, 2007 - Robyn Harrison

Visit a planetarium or observatory in Wisconsin and learn more about astronomy.

Jun 29, 2007 - Kelly Whitt

This was working so well as a blog I decided to make it a semi-daily feature, planet news - links to breaking news about planets and other astronomical stuff.

Jan 31, 2007 - Elizabeth Bissette

Consulting the world's first astronomers for knowledge of science and law that has sustained the planet's longest enduring civilisation.

Jul 5, 2006 - Woorama

The night sky is free for all to use. A number of organizations do their best to provide free tools to make everyone's astronomy experience even better.

Jul 17, 2010 - John Kulczycki

Some of the best Greek astronomers living in antiquity were Plato, Aristotle, Aristarchus, Eratosthenes, Hipparchus, and Ptolemy.

Nov 5, 2010 - Eliot Elwar

Different types of interstellar clouds, known as nebulae, form some of the most colorful regions of the visible universe.

Feb 23, 2010 - Kristin Hanneman

Here are a few activities to help kids learn about astronomy and space science while still having fun.

Jan 11, 2010 - Talia Sepersky

Uranus was seen by the naked eye at times in the ancient world, but no one was sure what it was. In 1781, a man named Herschel used a telescope to find out more.

Dec 6, 2009 - Miriam Pia

A variety of products are available for astronomy lovers to get as presents for the holiday season or any special occasion.

Nov 23, 2009 - Kelly Whitt

If the Mayans predicted an alignment during the winter solstice in the year 2012 would signal the end of the world, what is so special about the sky on this night?

Jan 27, 2009 - Kelly Whitt

Celebrate the International Year of Astronomy around the globe by raising awareness and promoting the science and enjoyment of the stars to others.

Jan 3, 2009 - Kelly Whitt

People are fascinated by extremes, such as those statistics put out by the Guinness Book of World Records. But what would be on a list in a book of Universe Records?

Nov 8, 2008 - Kelly Whitt