Clips that answer fundamental questions about science
A collection of video clips produced by NASA. Learn about astronomical phenomena, the planets and NASA's projects by viewing this series.
"The Science Mission Directorate (SMD) engages the Nations science community, sponsors scientific research, and develops and deploys satellites and probes in collaboration with NASA's partners around the world to answer fundamental questions requiring the view from and into space. SMD seeks to understand the origins, evolution, and destiny of the universe and to understand the nature of the strange phenomena that shape it.