The use of Plutonium as a power source is still considered the best choice for certain type of deep space missions. The extraordinary scientific results of missions like Voyager, Pioneer and Apollo would have not been possible without nuclear power. Yet, the US Senate Appropriations Committee decided not to fund the administration’s request for $15 million for the Department of Energy to restart production of plutonium-238 (Pu-238) in the 2012 energy and [...]