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Today in History: NASA's New Horizons reaches farthest object Arrokoth

1/1/2026

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Summary

Story summary

On January 1, 2019, NASA's New Horizons space probe made history by flying past 486958 Arrokoth, the farthest object in the Solar System ever visited by a spacecraft. This milestone followed its successful flyby of Pluto in 2015, furthering our understanding of the Kuiper belt and the early solar system.

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Story summary

On January 1, 2019, NASA's New Horizons space probe made history by flying past 486958 Arrokoth, the farthest object in the Solar System ever visited by a spacecraft. This milestone followed its successful flyby of Pluto in 2015, furthering our understanding of the Kuiper belt and the early solar system.