Vintage NASA Probe, Once Abandoned in Space, Still Has Fuel, Space.com
“After refusing to fire its engines last week for a course correction, a vintage NASA spacecraft did produce a bit of thrust Wednesday (July 16), proving it still has at least some fuel left after 36 years in space.”
Citizen Scientists Get ISEE-3 Satellite Engines to Fire!, The Mary Sue
“The amazing people behind the ISEE-3 reboot project have gotten its engines to fire! They previously had trouble due to a lack of nitrogen to push fuel through the old satellite’s fuel lines and into the engines, but some creative use of the satellite’s tank heaters seems to have paid off and gotten things working.”