After the space agency canceled its VIPER rover, an empty space was available on a private spacecraft that will still head to the lunar surface. After the space agency canceled its VIPER rover, an empty space was available on a private spacecraft that will still head to the lunar surface. Moon, Astrobotic Technology Inc, Astrolab Inc, National Aeronautics and Space Administration, Space and Astronomy, Private Spaceflight, Robots and Robotics NYT > Science