New Horizons
NASA's Mission to Pluto and the Kuiper Belt

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    Featured Video

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    Discovery: Liquid Flowing on Pluto

    learn more »

    Since Arrival at Arrokoth

    1 January 2019, 05:33:00 UTC



    Mission Elapsed Time

    Since 19 January 2006, 19:00:00 UTC

    Read the PI's Perspective

    Read the PI's Perspective

    Read the latest blog from the New Horizons PI! »

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    LORRI Images from the Arrokoth Encounter

    LORRI Images from the Arrokoth Encounter

    View LORRI Images from the Arrokoth Flyby »

    Summiting the Solar System Documentary

    Summiting the Solar System Documentary

    Summiting the Solar System" is a story of exploration at its most ambitious and extreme. The feature-length documentary is debuting in December 2018, just before NASA's New Horizons spacecraft flies by a small Kuiper Belt Object known scientifically as 2014 MU69, but nicknamed "Arrokoth." »

    Activities for Kids

    Activities for Kids

    Educational materials for all ages! »

    Arrokoth Facts

    Arrokoth Facts

    What do we know about Arrokoth? Find out! »

    Where Is New Horizons? Learn More »

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    Latest News
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    August 13, 2026

    The PI's Perspective: An Update from Deep in the Kuiper Belt


    August 5, 2026

    Discovery: Liquid Flowing on Pluto



    Arrokoth Data Still Delivering Discoveries

    Arrokoth – Kuiper Belt object explored by New Horizons

    New Horizons scientists continue to publish discoveries about Kuiper Belt object Arrokoth, including a geologic map of Arrokoth; studies of how craters form on Arrokoth; an updated 3D shape model of the distant KBO; and modeling of how Arrokoth’s interior may have evolved.

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    Video Flashback
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    April 25, 2015

    Cal Academy

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