Extras

NOVA

The Cassini Spacecraft's final moments

Clip: S46 Ep15 | 2m 16s

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

NOVA

Five Facts About the Ringed Gas Giant Planet

Clip: S46 Ep15 | 1m 9s

Learn more about Saturn, its rings, and moons.

NOVA

The Planets: Saturn Preview

Preview: S46 Ep15 | 27s

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