Mars Wants You! Retro Posters Invite Red Planet Explorers

A new series of NASA posters, free to download, depict Martian explorers surveying the world's alien landscape, growing food, making repairs and teaching youngsters on the surface of the Red Planet. The awesome Mars travel posters (you can see our full gallery of them here) were created for a 2009 exhibit at the Kennedy Space Center's Visitor Complex in Florida, and now they've been released for free download in high resolution here on NASA's website. "In the future, Mars will need all kinds of