Space Hackers Prepare to Reboot 35-Year-Old Spacecraft
A team of volunteers hope to make contact with the 35-year-old spacecraft International Sun-Earth Explorer-3 (ISEE-3), it’s original mission:
To investigate the solar wind and its interaction with Earth’s magnetic field, among other phenomena in interplanetary space
They’ve since been given NASA’s blessing and there’s lots of updates on their RocketHub page.