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

Farewell, Kepler

NASA's Kepler space telescope helped us find our place in the cosmos.

Dynamics of Exoplanet Systems

At this year’s Division for Planetary Sciences/European Planetary Science Congress meeting, the Exoplanet Dynamics session was packed full of talks on tightly-packed multi-planet systems and their instabilities.

Can you find a new planet?

A change in the Kepler data delivery process provides both scientists and the public to get involved in planet discovery.

DPS 2012, Monday: Icy moons and a four-star exoplanet

In the first full day of the annual meeting of the Division of Planetary Sciences of the American Astronomical Society, I listened to scientific sessions on icy worlds and on an exoplanet in a four-star system.

Separating fact from speculation about Kepler-20's Earth-sized planets

A large team of researchers has announced in a Nature article the discovery of not one, but two, Earth-sized planets orbiting a star named Kepler-20. This article separates the observational facts from the quite-likely-to-be-true inferences from the downstream speculations.