The Space Program - Current
NASA - The main site
NASA TV - Live video and taped programming
NASA Kennedy Space Center
NASA SpaceFlight.com - Online resource for spaceflight news
Space Camp - The official web page
Space.com - News about space and its exploration
SpaceflightNow - The leading source for online news
National Space Society - Nonprofit organization promoting space exploration
The Space Program - History
NASA Human Spaceflight - More info
The Encyclopedia Astronautica - Mark Wade's site, tons of historical information
Apollo Lunar Surface Journal - Excellent site containing info on the moon landings, including transcripts
Apollo Flight Journal - same, but covering all aspects of the Apollo flights
Contact Light - A personal retrospective of Project Apollo
Jonathan's Space Home Page - extensive database of launches, satellites, etc.
Astronomy
Astronomy Sites
Heavens-Above - How to find satellites, the ISS, etc.
American Astronomical Society - General information
spaceweather.com - New and information about the Sun-Earth environment
Space Weather Prediction Center - NOAA's site
SkyMaps.com - Sky Maps and many other things
Amateur Astronomy & Equipment
Cloudy Nights - Telescope reviews, "your astronomical community"Pictures
The Astronomical League - Many observing clubs
www.scopereviews.com - The Telescope Review Website, by Ed Ting
Telescopes.com - "The telescope experts", ie, Orion
Views of the Solar System - Many facts and pictures about the planets in our system
Planetary Photojournal - NASA's image access home page
NASA's Astronomy Picture of the Day - Archive of pictures
NASA Image of the Day - Spaceflight, astronomy pictures