Read about the latest discoveries and innovations powered by radioisotope systems.
Choosing between solar and nuclear power for a space mission has everything to do with where a spacecraft needs to…
Plutonium-238 is a special material that emits steady heat due to its natural radioactive decay. Several unique features of plutonium-238…
Safety is a critical priority in NASA’s use of radioisotope power systems, and is integrated into every phase of the…
Frequently asked questions about radioisotope power.