Astronomy.com
Astronomy Magazine, offers daily astronomy and space news, star charts, pictures of planets, space missions, eclipse and much more.
http://www.astronomy.com

Astronomy Now Online
UK magazine offers current news and subscription information.
http://www.astronomynow.com/

Berkeley Astronomy Department
Research, student information, calendar, resources, and links.
http://astro.berkeley.edu/

Astronomical Society of Australia
Official web site of the Astronomical Society of Australia featuring extensive links to astronomical research, teaching, and public education facilities and activities in Australia.
http://www.astronomy.org.au

History of Astronomy
Information and several thousand links on all aspects of history of astronomy and related fields.
http://www.astro.uni-bonn.de/~pbrosche/astoria.html

Harvard University Department of Astronomy
Offers information about undergraduate and graduate programs, faculty, and research.
http://cfa-www.harvard.edu/ast/