A high-tech harpoon that could one day pierce a comet and bring samples back to Earth is being developed by NASA.
Source: http://www.cosmosmagazine.com/news/5096/nasa-building-high-tech-comet-harpoon
Dominique Swain Donna Feldman Drea de Matteo Drew Barrymore Ehrinn Cummings Elena Lyons Elisabeth Röhm Elisha Cuthbert