NASA is slowly powering down the Voyager probes. Here are 18 groundbreaking photos from their 45-year mission.

The probes are the first of their kind, making them further into space than any other object.

The twin probes were sent on a four-year mission to Jupiter in 1977.

Before the cameras were shut down, they beamed back amazing photos of the sun.

NASA scientists are shutting down more instruments to conserve energy as their power runs out.

As they near the end of their mission, here are some images that changed science.

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