Mars: Its History - Mars exploration and discovery from earliest times to the present. - http://homepage.ntlworld.com/heather.hobden1/Mars.htm
NASA's Mars Exploration Program - Resources for the planet, including facts, pictures, maps, information about specific exploration missions, and educational materials. - http://mars.jpl.nasa.gov/
NPR Science Friday : Surprising New Discoveries on Mars - Scientists studying the output of probes orbiting Mars have made impressive discoveries. [17:47 streaming audio broadcast] - http://www.npr.org/templates/story/story.php?storyId=4541338
MOLA Viewer - Offers a program to view the surface of Mars, based on data from the Global Surveyor radar altimeter. [Requires extensive Java downloads] - http://cgibin.starpower.net/mmacdonald31/demo3d/mars/index.html
Mars24 - Time on Mars - Offers a program to display time on Mars, including local solar angles. [Requires Java] - http://www.giss.nasa.gov/tools/mars24/
Mars in the Mind of Earth - Bibliographies of Terran literature concerning the planet Mars. - http://www.marsearth.com/
Mars - From The Nine Planets multimedia tour of the solar system. - http://www.nineplanets.org/mars.html
ESA's Mars Express - Latest updates, images, and videos of ESA's Mars Express mission, due for landing on Mars on December 25, 2003. - http://www.esa.int/export/SPECIALS/Mars_Express/index.html
Mars Data Conglomerator - Takes multiple non-homogenous data sets of Mars and combines them into meaningful views. MOLA, Viking, GEO, TES, 2D, 3D and more are provided. - http://lasp.colorado.edu/mars/
Mariner Mars 1971 Data Viewer - Albatross - Downloadable computer program to interactively visualise and analyse the UltraViolet Spectrometer and Television Camera from the Mariner Mars (1971) spacecraft. - http://lasp.colorado.edu/albatross/
MarsQuest Online - Interactive explorations of Mars: students can fly in 3D, launch a spacecraft, drive a rover, perform investigations. - http://www.marsquestonline.org
Martian Soil - Mars related news regarding scientific exploration and popular culture. - http://www.martiansoil.com
Mars Base dot Net - Provides scientific data of various kinds such as the time on Mars, Sun and Earth rise/set, mission countdowns and news. - http://www.marsbase.net
NASA Goddard Institute: Time on Mars - Java applet showing "time" (sunside / nightside) at specified locations on Mars. - http://www.giss.nasa.gov/data/mars/time/
Daily Martian Weather Report - Weather by the Mars Global Surveyor Radio Science Team. - http://nova.stanford.edu/projects/mgs/dmwr.html
Mars 2112, restaurant: - Promotional site for a Mars-themed Restaurant - http://www.mars2112.com/
The Mars Web Ring - No unique content but links to over 100 Mars sites - many are listed in the ODP but many aren't. Some good, some bad. - http://nav.webring.com/cgi-bin/navcgi?ring=mars;list
Mars Links - Images, life on Mars, news, missions, terraforming, conferences, Mars paraphernalia, Mars fiction on line, nonfiction, societies, and the face. - http://www.sff.net/people/ckanderson/mars.htp
Explore Mars - Educational site with historical information, missions details and an online database for more than 1400 of the named features on Mars. - http://www.astrodigital.org/mars/
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 - http://www.lpl.arizona.edu/~sengel/thermo.html
The Mission To Mars - Collection of selected resources and information about the mission of man kind to explore the ever mysterious red planet. - http://www.themissiontomars.com/
New Mars: A Journal of the Martian Frontier - Published by the Mars Society; its archives contain significant articles on the rationale of colonization. - http://www.newmars.com/
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. - http://www.marsnews.com
Haughton-Mars Project - NASA/Ames research project to explore Haughton Crater on Devon Island in the Canadian Arctic, a Mars analogue. - http://www.arctic-mars.org/
Destination: MARS - Information, animations and a set of themes illustrating various facets of the red planet. - http://www.bw.qc.ca/mars
NSSDC Photo Gallery: Mars - A collection of images, including global views and surface features of the planet. - http://nssdc.gsfc.nasa.gov/photo_gallery/photogallery-mars.html