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

Mastcam-Z Flight Hardware!

After a more-than-four-year adventure, the flight Mars 2020 rover Mastcam-Z cameras have been fully assembled!

Engineering Qualification Model confirms performance of the Mastcam-Z!

Just this past week, assembly of the Mastcam-Z EQM was completed, and we saw for the first time what one of our Mars zoom cameras would really look like.

Alan Stern & New Horizons Team Receive Cosmos Award

Alan Stern and the New Horizons mission team are the newest recipients of The Planetary Society's Cosmos Award for Outstanding Public Presentation of Science.

An Open Letter to the Planetary Science Community

Dr. Jim Bell, a planetary scientist and President of the Planetary Society, calls on his colleagues to write Congress in support of planetary exploration and to support The Society.

One Ocean World Among Many

I'm absolutely floored when I stop to think that our beautiful blue ocean is only one of perhaps a half dozen or more oceans on other worlds in our solar system, and only one of probably millions (or more) oceans on other Earth-like planets in our galaxy. Oceans abound!

Who is the photographer behind Mars rover photos? Answer from Jim Bell

Another Mars imaging scientist answers the question: who is the

Curiosity's landing site named for Ray Bradbury

Ray Bradbury explored Mars, and the future of humanity, through words and ideas--vehicles of the imagination. He was a visionary author and, through his writings and lectures, was a direct or indirect mentor to so many of us involved with designing, building, and operating the actual space vehicles of today. I think it is so fitting, then, that the MSL team has memorialized Ray's contributions to the exploration of the planets -- and especially Mars -- by naming Curiosity's landing site in his honor.

Not Necessarily Your Last Venus Transit!

Unless you are lucky and healthy enough to live for another 105 years, tomorrow will be your last chance to see a Venus transit from the surface of the Earth. But this need not be the last transit of Venus that you will ever see.

A Turning Point at Mars

Today, NASA's highly-successful robotic solar system exploration program, and the Mars exploration program in particular, is on the brink of a major turning point.

Space, Available

Recent deep funding cuts by the Administration and Congress for NASA's space exploration programs are turning the final frontier into an ever-receding dream.

A Tale of Two Martians

It's the best of times for Mars exploration because we've got three orbiters and a rover studying the Red Planet. It's also the worst of times for my Russian, European, and Chinese colleagues who were part of the Phobos-Grunt mission.

Umbra in Paradise: The July 11, 2010 Planetary Society Solar Eclipse Expedition

If you've never seen a total eclipse of the Sun, make sure to put one on your bucket list!

To the Moon, Alice?

To the Moon, Alice?

Once a Decade

Once a Decade

Take us to our leader...

Take us to our leader...

Fly me to the Moon...

Jim Bell describes his proposal to join the Lunar Reconnaissance Orbiter Cameras science team.

Sands on Earth, Sands on Mars

One of the ways that planetary scientists try to understand the origin and evolution of landforms on other planets is by studying similar kinds of landforms or

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

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