GAIA: The Galactic Census Project
A European Space Agency satellite mission designed to determine the composition, formation and evolution of our Galaxy, and create a detailed 3D map of over a billion stars.
http://astro.estec.esa.nl/GAIA/

The Milky Way: Our Galaxy
An educational guide to our galaxy's history and part in the universe.
http://www.star.le.ac.uk/edu/mway/

APOD: Milky Way
index to Milky Way images.
http://antwrp.gsfc.nasa.gov/apod/lib/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

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

Milky Way Could Hold Remnants of Last Galactic 'Meal'
Some celestial detective work strongly suggests that the Milky Way consumed a smaller galaxy billions of years ago.
http://www.cnn.com/2001/TECH/space/01/08/milky.way.meal/

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

The Milky Way Galaxy
An informational hub page for material on our galaxy, with links and references.
http://www.seds.org/messier/more/mw.html

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

Research Plus: Milky Way
Encyclopedia article providing an introduction to the galaxy's characteristics.
http://encarta.msn.com/encnet/refpages/RefArticle.aspx?refid=761558916

The Milky Way Galaxy
Illustrated and technical overview of the galaxy's structure and composition.
http://cassfos02.ucsd.edu/public/tutorial/MW.html

Virtual Universe: Milky Way Galaxy
WebSpace VRML models of the Milky Way, available with 40,000 or 4,000 stars and the appropriate distribution of 15 spectral types.
http://rumba.gsfc.nasa.gov/iuniverse/galaxy/

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

What is the Milky Way Called in Different Languages?
Translated names of the galaxy in various languages.
http://www.hut.fi/u/stoivane/milkyway/