New Horizons journey to Pluto is winding down, and its destination is dead-ahead. The images being sent to Earth are unlike anything we've seen before - find out what we're learning about this unexplored dwarf planet.
Sep 28, 20159 min
Sep 28, 2015
English (United States) (CC)
Closed captions refer to subtitles in available languages with the addition of relevant non-dialogue information.