Danish Mars Project - Magnetic properties experiments on Mars - On Pathfinder and future missions
Exploring Mars - Mars exploration, from Pathfinder to manned landing - the very best of what there is has landed here in concise style.
Mars Direct
Mars Republic - A virtual Mars community.
Mars Society of Caltech/JPL
Martian Soil - Daily blog covering Mars related news, both in the field of scientific exploration and popular culture.
Planet Mars - Information and links on Planet Mars, Mars Exploration and Mars Missions, presented by SEDS
Planet Mars Home Page - Worldwide Non-Government Mars Settlement Project
Red Colony.com - Learn about Mars colonization and terraforming with the latest news, images, downloads, newsletter, chat and more.
Red Planet Trek - Site features pictures of Mars taken with MGS by an amateur, includes almost 100 links to Mars info.
