Water: Now It Has Been Found on an Asteroid!

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Andrew Rivkin led one of two independent teams that announced the discovery of water ice coating a distant asteroid. He talks with us about this find and its significance. The most beautiful image of Jupiter's Red Spot is now in the Planetary Society blog, according to Emily Lakdawalla. Are there volcanos on Venus? Bill Nye just attended a meeting in which this was a major topic of discussion. Bruce Betts and Mat Kaplan have another