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

Pluto Science, on the Surface

New Horizons' Principal Investigator Alan Stern gives an update on the mission's progress toward Pluto.

New Horizons: Late in Cruise, and a Binary Ahoy

New Horizons has just completed a summer of intensive activities and entered hibernation on Aug. 20. The routine parts of the activities included thorough checkouts of all our backup systems (result: they work fine!) and of all our scientific instruments (they work fine too!).

New Horizons: Encounter Planning Accelerates

Back in 2005 and 2006, when Pluto’s second and third moons (Nix and Hydra) were discovered, searches by astronomers for still more moons didn’t reveal any. So the accidental discovery of Pluto’s fourth moon by the Hubble Space Telescope in mid-2011 raised the possibility that the hazards in the Pluto system might be greater than previously anticipated.

Something New! Uwingu

A start-up company creating products that will fund space exploration, research, and education.

Ten Things I Wish We Really Knew In Planetary Science

Ten Things I Wish We Really Knew In Planetary Science

LRO, LCROSS, and the Search for Lunar Ice Begins Anew Next Month

LRO, LCROSS, and the Search for Lunar Ice Begins Anew Next Month

Ever Plan Ahead? How About Six Years Ahead?

Despite still being more than six years and just over 18 Astronomical Units from the Pluto system, the project team for New Horizons is conducting the second and final portion of our Pluto Encounter Preliminary Design Review (EPDR) tomorrow and the next day.

Exciting Times Ahead: 2010 Will Sizzle, and 2011 Will Really Cook!

Today, I'm kicking the week off with a look at the unusually intense confluence of far flung planetary exploration that's just around the corner, starting the middle of next year.

Space is vast. There's a lot of exploring to do.

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