Read what NASA scientists Carl and Jaclyn
Allen have to say about their search for life on Mars. See animated video
clips of Mars rotating and the story of how fossils of Martian bacteria
might have been formed and sent to earth.
Help guide an expedition to Mars in search of evidence of
life. Make key decisions about where to search, what to look for, and how
to find it. See breathtaking pictures of Mars (but you have to be patient, it
takes signals a long way to travel from Mars to Earth).
Learn how to make a model of the Sun -- Earth -- Moon system.
Follow our Space Links to some of the best space web sites in the galaxy.
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