Extras

NASA's Cassini reveals the mysteries of Saturn's ringsāand new hope for life on a moon.
The Planets: Saturn Preview

The Cassini Spacecraft's final moments
Cassini plunges into Saturn, marking the end of its 13-year mission.
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NASA's Cassini reveals the mysteries of Saturn's ringsāand new hope for life on a moon.
The Cassini Spacecraft's final moments
Cassini plunges into Saturn, marking the end of its 13-year mission.