Pluto New Horizons' 'Bulletproof Vest' Isn't Its Only Defense | Video

Flying twice the speed of a Space Shuttle, a collision with cosmic debris could be catastrophic. New Horizon's Principal Investigator Alan Stern describes the probe’s kevlar coat and other strategic defense tactics to Space.com’s Calla Cofield.

Credit: Space.com / Images: NASA / Edited by @SteveSpaleta