Explores plans for building a colony on Mars, walking readers through the history, current developments, and potential for future discoveries, as well as the challenges scientists currently face. Includes infographics, discussion questions, and two "Scientist Bio" features highlighting people who've done important work preparing for a Mars colony.

Mars on Earth -- The space race -- Robots explore Mars -- Scientist bio: Carol Stoker -- Living in space -- Scientist bio: Gioia Massa -- Deep space travel -- Building a colony -- Roadmap to Mars -- Focus on Colonizing Mars.