Interesting Astronomical Sites

• Astronomy Picture of the Day
• Amherst Night Sky
• Sky and Telescope: Weekly News Bulletin
• Bad Astronomy - Points out and corrects bad astronomy in the news, on TV, etc. 
• Space Telescope Public Information
• SkyView - Virtual observatory at wavelengths in all regimes from radio to Gamma-ray
• History of Women in Astronomy
  

Sites for Answers to Astronomy-related Questions:

• Ask the Space Scientist - 1601 questions answered. 
• Frequently Asked Questions for Astronomy 
• Frequently Asked Astronomy and Physics