Space

• NASA-JPL Solar System Simulator
• NASA Planetary Photojournal

Mars

• http://marsrovers.jpl.nasa.gov/
• http://marsrovers.jpl.nasa.gov/newsroom/presskits.html
• http://athena.cornell.edu/the_mission/instruments.html

• Mars Rover live journals:
  • http://www.livejournal.com/users/spiritrover/
  • http://www.livejournal.com/users/opportunitygrrl/