Videos

The New Horizons Mission to Pluto Hits Close to Home

• Facebook
• Twitter
• More shares
  • reddit
  • email

NASA's New Horizons mission accomplished its primary objective on July 14, passing by the dwarf planet Pluto nearly a decade after leaving Earth. Dr. John Spencer, scientist at the Southwest Research Institute, spoke to us from his Boulder office before the flyby about the mission and the spirit of exploration.