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Triton from Voyager 2, 8/25/89

Planet Party Busted by Triton

Theories can be like parties with tantalizing speculations until big, whopping anomalies spoil the fun.

Underground Oceans Can't Last Forever

If Pluto and Enceladus have oceans under the crust, why are they still liquid after billions of years?

Solar System Is Weird Only if It Is Old

To someone who believes the solar system is billions of years old, no wonder its contents look weird.

Saturn Rescues Earth: Outer Planet Wonders

How Saturn saved the Earth, and other news from the ringed planet, its family, and other bodies in the outer solar system.

Of Planets and People

Here's a quick tour of the planets to see what's newsworthy.
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