On April 17, 2026, NASA shut down another instrument on Voyager 1 to keep the 49-year-old spacecraft alive. The full story of the Interstellar Mission, the engineering lessons nobody planned for, and what comes next. Two Voyager spacecraft, built in the 1970s and launched before personal computers became ordinary household objects, are still returning science data from interstellar space in 2026. On April 17, NASA engineers at the Jet Propulsion Laboratory sent a... [13435 chars]