Extras

    Video thumbnail: NOVA Five Facts About the Ringed Gas Giant Planet

    NOVA

    Five Facts About the Ringed Gas Giant Planet

    Learn more about Saturn, its rings, and moons.

    Five Facts About the Ringed Gas Giant Planet

    Video thumbnail: NOVA The Planets: Saturn Preview

    NOVA

    The Planets: Saturn Preview

    NASA's Cassini reveals the mysteries of Saturn's rings—and new hope for life on a moon.

    The Planets: Saturn Preview

    Video thumbnail: NOVA The Cassini Spacecraft's final moments

    NOVA

    The Cassini Spacecraft's final moments

    Cassini plunges into Saturn, marking the end of its 13-year mission.

    The Cassini Spacecraft's final moments