History, Benefits & Safety

See how NASA has used Radioisotope Power Systems, or RPS, for more than 20 missions over the last 40-plus years. Hear about safety of RPS from the Department of Energy. Discover the advantages of an RPS that allow spacecraft like Voyager to still do important scientific maneuvers after being in the extreme environment of space for 30 years! And find out where an RPS could take us in the future.