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Our journalists and guest bloggers bring you stunning imagery and the space stories that matter most.

American R&D Policy and the Push for Small Planetary Missions at NASA

Jason Callahan • October 11, 2017

Planetary Society Policy Adviser Jason Callahan summarizes his paper he presented at the 2017 International Astronautical Congress in Australia, where he examined NASA's low-cost Discovery program and how federal policies directed at higher education initially bolstered planetary science into a viable field.

Postcard from the Space Symposium: Planetary Society outreach coordinator finds her place in space

Harriet Brettle • April 14, 2017

The annual Space Symposium brings together space leaders from around the world to discuss, address and plan for the future of space.

Rosetta in the Rearview: What Have We Learned?

John Noonan • November 07, 2016 • 1

Just over a month ago the European Space Agency’s Rosetta spacecraft finished its mission by spectacularly diving into the comet 67P/Churyumov-Gerasimenko. How did it observations influence and alter our ideas about the typical formation and lifetime of a comet?

Dynamics of Exoplanet Systems

Erika Nesvold • October 31, 2016

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.

DPS/EPSC update on New Horizons at the Pluto system and beyond

Emily Lakdawalla • October 25, 2016 • 4

Last week's Division for Planetary Sciences/European Planetary Science Congress meeting was chock-full of science from New Horizons at Pluto.

DPS/EPSC update: 2007 OR10 has a moon!

Emily Lakdawalla • October 19, 2016 • 5

The third-largest object known beyond Neptune, 2007 OR10, has a moon. The discovery was reported in a poster by Gábor Marton, Csaba Kiss, and Thomas Mueller at the joint meeting of the European Planetary Science Congress and the Division for Planetary Sciences of the American Astronomical Society (DPS/EPSC) on Monday.

Rapidly Rotating Regular Satellites and Tides

Darin Ragozzine • October 17, 2016 • 2

Pluto’s small moons have unusual rotation rates and states. Now we know a moon of another dwarf planet does as well. Is there a connection?

ESA opens its ears to citizens of Europe

Ruth McAvinia • October 04, 2016

In September, the European Space Agency gathered 2,000 people around the continent to discuss their future in space.

New Horizons Science Team Meeting Report

Ted Stryk • July 11, 2016 • 3

On July 6 at Lowell Observatory in Flagstaff, Arizona, the science team convened at the place where Pluto was discovered. Ted Stryk reports from the meeting.

An Astronomer Learns to Make His CASE

Kevin Cooke • June 24, 2016

Science in America depends on federal funding, yet many young scientists don't understand how the U.S. government decides to spend its money on science, nor are they encouraged to use their new degrees to advise the process. This is changing with support from the American Association for the Advancement of Science.

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