Scientific American: Our Growing, Breathing Galaxy - Detailed historical information and new discoveries about our galaxy. - http://www.sciam.com/article.cfm?chanID=sa006&articleID=0000107A-6236-1FD5-A23683414B7F0000
The Milky Way Galaxy - Illustrated and technical overview of the galaxy's structure and composition. - http://cassfos02.ucsd.edu/public/tutorial/MW.html
MSN Learning & Research Plus: Milky Way - Encyclopedia article providing an introduction to the galaxy's characteristics. - http://encarta.msn.com/encnet/refpages/RefArticle.aspx?refid=761558916
Multiwavelength Milky Way - Technical overview of various frequency scans of the galaxy, with images and data files, from NASA's Astrophysics Data Facility. - http://adc.gsfc.nasa.gov/mw/milkyway.html
The Milky Way Galaxy: Our Home - A brief illustrated definition of the Milky Way. - http://www.windows.ucar.edu/cgi-bin/tour_def/the_universe/Milkyway.html
StarChild: The Milky Way - A kids' guide to the galaxy, complete with an educational song. - http://starchild.gsfc.nasa.gov/docs/StarChild/universe_level2/milky_way.html
The Milky Way - A short definition of the Milky Way's components and composition. - http://map.gsfc.nasa.gov/m_uni/uni_101mw.html
APOD: Milky Way - NASA's "Astronomy Picture of the Day" index to Milky Way images. - http://antwrp.gsfc.nasa.gov/apod/lib/milky_way.html