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Blog Archive


Planetary Radio: Don't Step in That Puddle!
The Strong Evidence for Water on the Moon

Posted by Mat Kaplan on 2013/07/01 06:18 CDT

The Planetary Science Institute's Amanda Hendrix is the guest for our July 1 episode. She finds water in the least likely places, including Luna.

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A Little Moonlight

Posted by Bill Dunford on 2013/06/19 01:33 CDT | 1 comments

From far away, or from so near you could almost touch it, the moon is beautiful.

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The Shores of the Kraken Sea: Great Place Names in the Solar System

Posted by Bill Dunford on 2013/05/28 08:59 CDT | 9 comments

Nothing reflects the romance of deep space exploration more than the evocative names of places on the planets and moons.

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Dueling Desolations: Mercury vs. the Moon

Posted by Bill Dunford on 2013/05/13 01:02 CDT | 7 comments

They look so similar they can be hard to tell apart, but each hides its own mysteries.

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Dark No More: Exploring the Far Side of the Moon

Posted by Bill Dunford on 2013/04/29 02:11 CDT | 3 comments

The first human beings to see the mysterious "dark" side of the moon were not astronauts.

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One Day in the Solar System

Posted by Bill Dunford on 2013/04/08 09:12 CDT | 4 comments

Dispatches from five different worlds--all sent by robotic spacecraft on the same day.

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LPSC 2013: The Smaller They Are, The Better They Shake

Posted by Emily Lakdawalla on 2013/03/25 08:04 CDT | 1 comments

Really cool movies from Jim Richardson propose to explain how the same physics of impact cratering can produce such differently-appearing surfaces as those of the Moon, large asteroids like Eros, and teeny ones like Itokawa.

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Messages of Wonder

Posted by Bill Dunford on 2013/03/18 04:22 CDT

Some lovely, rarely-seen images from the MESSENGER mission.

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Postcards from Clementine

Posted by Bill Dunford on 2013/02/25 12:44 CST | 4 comments

Nineteen years ago this month, the Clementine mission sent some amazing views from the moon.

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Pretty picture: a moon transit

Posted by Emily Lakdawalla on 2013/02/21 05:52 CST | 5 comments

A reader comment inspired me to dig up an oldie but a goodie: a sequence of photos of the Moon transiting Earth, seen from a very long way away,

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Webcast Tonight! Planetary Scientist and Society President Jim Bell
Watch It Live or Later On Demand

Posted by Mat Kaplan on 2013/02/20 07:59 CST

Professor Bell's topic is "Exploring Mars, the Moon, Asteroids, and Comets with Rovers and Landers," and there is no one better to talk about this subject.

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A forgotten image of Earth and the Moon

Posted by Emily Lakdawalla on 2013/02/13 07:45 CST | 4 comments

While researching another story, I came across an image I don't remember ever seeing before, of a moonrise from an unexpected source.

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The Earth is a Planet: Why We Explore Space

Posted by Bill Dunford on 2013/02/11 10:50 CST

Why spend effort and scarce resources on space exploration when we have so many problems here at home? Turns out, there are some pretty good reasons.

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Galileo Messengers: Cruise to Venus, Earth, Gaspra, Earth, Ida, and almost to Jupiter

Posted by Emily Lakdawalla on 2013/02/05 08:40 CST | 2 comments

It's taken me a year to face the emotionally draining task of reading and writing about Galileo's cruise phase as chronicled in the mission's newsletters.

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Planetary Society Weekly Hangout, Thu Jan 31 1200PT/2000UT: Sarah Noble on lunar science and working for NASA HQ

Posted by Emily Lakdawalla on 2013/01/31 02:00 CST

We welcomed Sarah Noble to our weekly Google+ Hangout. Sarah is a lunar geologist and a civil servant working in the Research & Analysis program at NASA Headquarters, and has recently been named Program Scientist for the LADEE lunar mission.

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Fly me to the Moon

Posted by Emily Lakdawalla on 2013/01/14 06:31 CST | 4 comments

Video views shot by two doomed spacecraft take us flying across the Moon.

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Forty years after Apollo 17's final footsteps

Posted by Andrew Chaikin on 2012/12/14 01:48 CST | 2 comments

Today marks the 40th anniversary of the last human footsteps on the Moon. In my latest video I look back at Apollo 17 and explain why I believe the Moon is the solar system's "jewel in the crown," beckoning us to return.

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How GRAIL will meet its end

Posted by Emily Lakdawalla on 2012/12/13 05:34 CST | 2 comments

The twin GRAIL spacecraft are nearly out of fuel, and are being directed to a controlled impact near the north pole on the near side of the Moon on December 17. Before the end, though, they did some cool things, including flying within 2000 meters of mountaintops, and catching video of Lunar Reconnaissance Orbiter in flight.

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Planetary Society Hangout Thursday noon PT / 2000 UT: GRAIL's Demise, Curiosity Arrives, and the 2020 Rover Surprise

Posted by Casey Dreier on 2012/12/13 12:15 CST | 3 comments

Join us for our weekly hangout and catch up on GRAIL, Curiosity, and the future Mars rover.

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Making an ugly rock beautiful

Posted by Emily Lakdawalla on 2012/11/02 08:03 CDT | 1 comments

Today I stumbled upon the Lunar and Planetary Institute's Lunar Sample Atlas, and was reminded of how much I love petrographic thin sections. They can make unassuming, cruddy looking rocks beautiful.

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