• Archives of Images and Tables for Mars Thermospheres - Recent model results that illustrate the thermal, compositional and dynamical responses of the upper atmospheres of Venus, Earth, and Mars to solar EUV-UV flux
• Atlas of Mars -- Roving Mouse Interplanetary - A color Atlas of Mars. Navigate by clicking on a globe. Point at a feature to see if it has an official name.
• Haughton-Mars Project - NASA/Ames research project to explore Haughton Crater on Devon Island in the Canadian Arctic, a Mars analogue.
• Mars - at NASA/JPL. Includes Mars' planetary profile and vital statistics.
• Mars - From The Nine Planets multimedia tour of the solar system.
• The Mars Academy - An educational collaborative project to study the problems involved in the design of a manned mission to the Red Planet.
• Mars Introduction - Hawaiian Astronomical Society, Calvin J. Hamilton
• Mars Open Directory - part of the Open Directory Project managed by the MarsNews.com website
• MarsNews.com - NewsWire for the New Frontier. A comprehensive news & information resource on Mars missions, technology, and the search for life on the red planet.
• Mars-Watch.com - The site for Mars enthusiasts. Find the latest information, news, and photographs about Mars, interesting Martian facts, and an outstanding Mars photo archive.
• NASA Windows to the Universe - Includes a section on Mars.
• NASA's Mars Topic Tracker - Educational resources for the planet Mars including facts, pictures of Mars, maps, Mars exploration missions, and educational materials.
• New Mars - A Journal of the Martian Frontier - a Journal of the Martian Frontier, offering news and perspectives.
• NSSDC Photo Gallery: Mars
• PDS Mars Explorer for the Armchair Astronaut - Welcome to the Planetary Data System's Mars Explorer! The Mars Explorer allows you to get an image map of any area on Mars at a variety of zoom factors, image sizes, and map projections. These images are created using data from NASA's Viking missions.
• View from the Mars Polar Lander - A java applet showing the horizon view from the site of the Mars Polar Lander. The user can set the time and date and observe the position of the sun and the earth from the landing site, along with other information.
• The Whole Mars Catalog - An online guide to Mars.

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