NASA fights to keep the Voyager probes running after four decades
 

NASA's Voyager probes are still out there, exploring interstellar space 42 years after they left our planet. To keep them running all these years with generators that are 40 percent less powerful than they were decades ago -- and which are producing...

https://www.engadget.com/2019/07/13/...ager-2-heater/