The Little Probe That Could: Why Voyager 1 Matters, and Why NASA Just Switched Part of It Off

This week, NASA announced it had shut down one of that spacecraft's remaining science instruments — not because the mission has failed, but to keep it alive a little longer.

This week, NASA announced it had shut down one of that spacecraft's remaining science instruments — not because the mission has failed, but to keep it alive a little longer.

(Image credit: NASA)