2013 Update: This page was first written in the late 1990s, when it was considerably more difficult to find things on the web. It is not being updated regularly and may contain many "dead links."
For locating abstracts and preprints, it's best to probably start with the ADS Abstract Service, or go directly to various online preprint/abstract servers:
Many of the most important journals in astronomical research now have online editions. Some have complete collections of online articles, as well, but one often must subscribe to access them. See:
Some research-related computing sites:
Some sites containing atomic data of use to astronomers:
Astronomy education is getting more and more attention on the Web. For now, one can start with the following sites: (more to be added soon...)
Some sites devoted to archaeoastronomy and the history of astronomy:
GO BACK to Steven Cranmer's Home Page, or to the Harvard-Smithsonian CfA Home Page.