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

After Cassini, What’s Next for the Outer Planets?

Casey Dreier • October 31, 2017 • 4

The Planetary Society likes to look ahead, and in that spirit we organized a reception at the Library of Congress to bring scientists, legislators, and their staff together to honor Cassini and get excited about our future in the outer planets.

#DPS17: The Moon's Giordano Bruno crater through many eyes

Emily Lakdawalla • October 30, 2017

Today's story from the Division for Planetary Sciences meeting looks at one youthful rayed crater on the Moon from many different spacecraft.

Then vs. Now: How the Debate Over a Distant Planet in the Solar System Has Evolved

Stephanie Hamilton • October 30, 2017

What have we learned about the distant objects in our Solar System beyond Neptune in the past year?

Explore spinnable Saturn and Jupiter moons with Google Maps

Emily Lakdawalla • October 27, 2017 • 2

Google Maps released several new map products that allow you to see the locations of named features on many solar system planets and non-planets, spinning them around in space with your mouse.

Here's how engineers closed out LightSail 2 for flight

Jason Davis • October 27, 2017

The Planetary Society's LightSail 2 spacecraft is in a flight-ready state, marking a major milestone for the program.

Is there anybody out there?

Jason Davis • October 25, 2017 • 9

The Planetary Society's latest feature story examines the past, present and future of SETI, the search for extraterrestrial intelligence.

#DPS17: Wobbling the Moon and art by James Tuttle Keane

Emily Lakdawalla • October 24, 2017 • 1

James Tuttle Keane is increasingly famous (among planetary scientists anyway) for his remarkable illustrated notes from conferences. Here's his work from the Division for Planetary Sciences meeting, illustrating both his own and others' research.

#DPS2017: Progress report on Mars Reconnaissance Orbiter images of comet C/2013 A1 Siding Spring

Emily Lakdawalla • October 20, 2017 • 1

Three years ago, on October 19, 2014, comet C/2013 A1 Siding Spring passed within 138,000 kilometers of Mars. At the 2017 meeting of the Division for Planetary Sciences of the American Astronomical Society, we heard a progress report on Mars orbiter imaging of the comet's nucleus.

Planetary Society-funded telescopes help find ring around Haumea, a distant dwarf planet

Jason Davis • October 11, 2017 • 3

Haumea has a ring! Two telescopes used in the discovery—one in Slovenia, and one in Italy—received funding from The Planetary Society's Shoemaker Near Earth Object (NEO) Grant program, which helps amateur astronomers find, track and characterize near-Earth asteroids.

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.

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