Can We Go to Mars? Returning Spaceman Might Have Some Answers
This article is available to read at the Associated Press Archive Link here: http://www.apnewsarchive.com/2016/Astronaut-Scott-Kelly-sees-his-nearly-completed-one-year-mission-as-a-steppingstone-to-Mars/id-6fb3d8bea66a4fc7bbce296d5f43f285