Artist’s illustration of one of the Voyager spacecraft. Credit: Caltech/NASA-JPL Since November 2023, NASA’s Voyager 1 spacecraft has been sending a steady radio signal to Earth, but the signal does not contain usable data. The source of the issue appears to be with one of three onboard computers, the flight data subsystem (FDS), which is responsible for packaging the science and engineering data before it’s sent to Earth by the telemetry modulation unit. On March 3, the Voyager mission team saw...