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

Dawn in survey orbit at Ceres

Dawn Journal: Halfway Through Checkout

Now more than halfway through its 80-day initial checkout phase, the Dawn spacecraft continues to please its fans in mission control and throughout much of the rest of the universe.

Artist's concept of 55 Cancri's fifth-discovered planet

Planetary System Detected Around SETI@home Target Star

A fully formed planetary system, with five different planets of varying sizes and orbits has been found, orbiting a star more than 40 light years away. Significantly, it is the very same star, 55 Cancri, that was one of the chief targets of the SETI@home reobservations at Arecibo in March 2003.

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