NASA's offering boarding passes to Mars. Are you ready to sign up? July, 2020 marks the launch of the next Mars Rover mission. This mission will address high-priority science goals for Mars exploration, and will hopefully answer key questions about the potential for life on Mars. The mission will both seek signs of habitable conditions on Mars in the ancient past, as well as search for signs of past microbial life. More than 5 million people have submitted their names to be included in the next Rover mission. If you're interested in adding yours to the list, go to NASA's landing site to submit your information for review . You'll get the opportunity to download your very own boarding pass, as well as begin to rack up some serious Frequent Flyer points. You can also learn more about the goals of the mission, and read the mission overview in some of the links at the top of NASA's page. Kudos to the space agency's marketing team for a truly enga...