Students for the Exploration and Development of Space - Covers space, astronomy, rocketry, etc. Has a chat room, and links.
The Nine Planets - Describes each of the 70 planets and moons in the solar system with text, pictures, sounds, an occasional movie.
A Comet Hits Jupiter - Pictures, observing information, animations, links to other sites.
Jet Propulsion Laboratory - Has News flashes, info About JPL, technology transfer, image/information archives, and info about technology transfer.
Shuttle Launch Countdown Home Page - Info on the latest shuttle mission.
The StarChild Project: Connecting NASA and the K12 Classroom - The links on the page are labeled Astronomy, The Earth, Galaxies, The Moon, Planets, Space, Stars, The Sun, The Universe.
Magellan Mission - Has images and info about the NASA mission to Venus, including the CD-ROM image browser.
Space Views - A monthly publication of the Boston chapter of the National Space Society. Covers recent developments in space policy, exploration, development, recent space launches and upcoming events, and cutting-edge research.