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Follow a once-in-a-lifetime event: Comet ISON's brush with the sun.

Comets have fascinated, even terrified us for thousands of years. For scientists though, comets are a great opportunity. In 2013, a particularly massive chunk of ice and rock came our way, an object that could fascinate billions and create the space show of the century.

    Providing Support for PBS.org

    Providing Support for PBS.org

    About the Show

    Comets have fascinated, even terrified us for thousands of years. For scientists though, comets are a great opportunity. In 2013 a particularly massive chunk of ice and rock traveled our way, an object that would fascinate billions and create the space show of the century.

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