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Stories, updates, insights, and original analysis from The Planetary Society.
The "Starship Century" Beckons
The Benford brothers provide inspiration and hard fact in their excellent new anthology about interstellar travel.
Women scientists: Tell Your Story and Inspire Others in Astronomy
Women Rock Science is working with the Knowledge Observatory to create an interactive display of women in astronomy from all over the world for an upcoming science festival.
[Updated] A Government Shutdown Could Delay MAVEN's Launch to Mars
NASA confirmed that a government shutdown could affect pre-launch processing of the MAVEN spacecraft, currently scheduled to launch to Mars on November 18th.
Relative and absolute ages in the histories of Earth and the Moon: The Geologic Time Scale
A few days ago, I wrote a post about the basins of the Moon -- a result of a trip down a rabbit hole of book research. Here's the next step in that journey: the Geologic Time Scales of Earth and the Moon.
A Big Day for Commercial Spaceflight
On Sunday, Orbital Sciences Corporation's Cygnus resupply spacecraft was berthed to the ISS, while SpaceX's upgraded Falcon 9 lifted off from the California coast.
Dawn Journal: Sixth anniversary of leaving Earth
On the sixth anniversary of leaving Earth to embark on a daring deep-space expedition, Dawn is very, very far from its erstwhile planetary residence. Now humankind's only permanent resident of the main asteroid belt between Mars and Jupiter, the seasoned explorer is making good progress toward the largest object in that part of the solar system, the mysterious dwarf planet Ceres.
Gravity assist
With the recent announcement by NASA that the 36 year-old spacecraft Voyager 1 has officially entered interstellar space at a distance from the sun about four times further than Neptune's orbit, and with Voyager 2 not far behind, it seems worthwhile to explore how humans managed to fling objects so far into space.
Dating the Moon's basins
A paper in press in the Journal of Geophysical Research uses new data from Lunar Reconnaissance Orbiter to update our story for the history of the Moon's massive impacts.
Cometary Science at EPSC
Recently, almost a thousand researchers gathered in London for Europe’s annual meeting of planetary scientists. Here's a report from one session on cometary science.
Bill Nye 'Dancing With the Stars' Update
We're two weeks in to ‘Dancing with the Stars’ season 17, and Bill Nye has shown that, true to his TV-theme song lyric,
Europe Will Select Its Next Major Science Mission in November
The European Space Agency will announce two major science missions this November, one of which is likely to be devoted to solar system exploration.
Swan Song
The final moments of a lunar orbiter, as told in a song composed by the moon itself.
Voyager: A Tribute
The Voyagers were special when they launched. They have become more so thanks to their longevity, the breadth of their discoveries, the cultural payload they carried, and the sheer audacity of their quest.
More fancy Phobos and Deimos photography by Curiosity
Curiosity looked up after dark and captured more cool photos of Mars' moons. They include Phobos and Deimos passing in the night, and Phobos entering Mars' shadow.
Dawn on Mars: Waypoint 1 Mysteries
Dawn Sumner describes the preparations for maximizing the science at Curiosity's short stop at
A Russian Guide to Wednesday's Союз Старт (Soyuz Launch)
Follow along with Roscosmos during the launch of Soyuz TMA-10M using this list of common Russian flight terms.
Touching the Stars
Two new programs about renewed interest in the technologies that will enable humanity to cross the interstellar gulf. Lou Friedman talks with Mat from the 100-Year Starship Symposium, while physicist and science fiction author Gregory Benford is Mat's guest for a webcast.
Photos and Video of India's Mars Orbiter Mission, proceeding toward October 28 launch
Indian media reported over the weekend that the Mars Orbiter Mission has passed some senior review, and has been approved to proceed toward a launch date of October 28, a week later than previously planned.
Cygnus Aborts Station Approach, Will Retry Tuesday
The private spacecraft Cygnus was forced to abort its first attempt to berth with the International Space Station Sunday morning due to a software glitch.
Plutonium-238 is Crucial for Space Exploration – and it's Running Out
Plutonium-238 provides electricity to deep space missions, but NASA only has a little bit left. A new article in Wired highlights the disastrous consequences of no plutonium for use in space, something the Planetary Society is currently fighting for in Washington, D.C.



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