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Saturn, the Bringer of Youth

More discoveries of youthful phenomena contradict Gustav Holst's musical tribute to "Saturn, the Bringer of Old Age."

Want Salt on Your Ceres?

Those mysterious white spots on asteroid Ceres could be outcrops of salt. How did vast amounts of salt get out there?

Ski Pluto: Glaciers Are Flowing

Planetary scientists are dumbfounded by more evidence of youth at Pluto, both on the surface and in the atmosphere.
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