Best Space Stories of the Week — Sept. 13, 2015
Sunday, September 13, 2015 - 06:30
in Astronomy & Space
NASA's New Horizons spacecraft beamed home incredible new images of Pluto, scientists found a giant buried ice sheet on Mars and Elon Musk chatted with Stephen Colbert about the future of spaceflight. Here are Space.com's top stories of the week.