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Stories, updates, insights, and original analysis from The Planetary Society.

2002 UX25 and its satellite, from some of our images from the Hubble Space Telescope.

Snow balls in space

I don’t get much snow in southern California, but I do spend a lot of my time thinking about college snowball experiences and about the snowball fights that have made the objects of the outer solar system.

Taste of the Ocean on Europa's Surface

Sea Salt

Ever wonder what it would taste like if you could lick the icy surface of Jupiter’s Europa? The answer may be that it would taste a lot like that last mouthful of water that you accidentally drank when you were swimming at the beach on your last vacation.