National Science Foundation
http://www.nsf.gov
The homepage of the National Science Foundation

NASA
http://www.nasa.gov/
The homepage of NASA the National Aeronautics and Space Administration.

Jet Propulsion Laboratory
http://marsrovers.jpl.nasa.gov/home/index.html
The website for the Jet Propulsion Laboratory

Mars Exploration Rovers
http://marsrovers.jpl.nasa.gov/home/index.html
The website for the Mars Exploration Rovers mission.

Spirit Lands on Mars and Sends Postcards
http://www.jpl.nasa.gov/releases/2004/3.cfm
The press release that went along with the first images from Spirit.
First images from Spirit on Mars.

Spirit Rolls All Six Wheels Onto Martian Soil
http://www.jpl.nasa.gov/releases/2004/20.cfm
Press release for the successful egress of Spirit off the lander.

President Bush's Speech
http://www.nasa.gov/pdf/54868main_bush_trans.pdf
Transcript of President Bush's speech on the future of space exploration.

President Bush Offers New Vision For NASA
http://www.nasa.gov/missions/solarsystem/bush_vision.html
A press release on President Bush's speech on the future of space exploration.

President Bush's Speech
http://www-pao.ksc.nasa.gov/kscpao/videos/metafiles/hq_011404_bushspeech2.ram
Video of President Bush's speech about space exploration.