This story appears in the August 2017 issue of National Geographic magazine. Carl Sagan spent his childhood immersed in Mars. The future scientist, an avid reader of Edgar Rice Burroughs’s ...

Kate Mara knows a little bit about being in space. As one of the stars of Ridley Scott‘s 2015 hit, The Martian, Mara continues to carry parts of that experience with her, including the costuming.