Photo: Electricity Found on Saturn Moon--Could It Spark Life?

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Saturn's largest moon Titan hovers behind the planet's rings and the smaller moon Epimetheus in an image taken by the Cassini spacecraft in April 2006.

New data from Cassini's Huygens probe, which descended into Titan's atmosphere in 2005, shows faint signs of electrical activity—bolstering theories that Titan has the right mix of ingredients to spark life.

Image courtesy NASA/JPL/Space Science Institute

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