NASA: Now and Next

From right here on earth to the farthest visible parts of the universe, NASA has its eye on pretty much everything in between. Professor Andrew Coates from University College London was lead co-investigator in the joint ESA-NASA Cassini-Huygens mission to Saturn, and is involved in several further NASA missions of space exploration. With NASA turning 60 this month, Sam Brown spoke to Professor Coates about the fascinating missions that NASA is involved with, and what they have planned for the future...