Every day, NASA learns a little bit more about our nearest neighbor, Mars. Earth vs. Mars compares our current home to our future destination. How are the planets similar? And, more importantly, how are they different? Journey through space and learn about the Red Planet while enhancing your 21st Century skills, from critical thinking to collaboration to technology literacy. An activity, table of contents, glossary, index, further reading, and a list of websites to explore will lead learners even farther into the future.