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Latest Guest Blog Posts

The Lunar Chronology: What Happens When Science Does Its Thing

Posted by Stuart Robbins on 2015/04/01 09:34 CDT | 4 comments

Scientist Stuart Robbins discusses dating the lunar surface is using impact craters.

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Dawn Journal: Preparing to Photograph Ceres

Posted by Marc Rayman on 2015/04/01 08:58 CDT | 11 comments

Dawn's Chief Engineer and Mission Director, Marc Rayman, explains why we haven't seen any new images of Ceres—and when we can expect them.

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Field Report from Mars: Sol 3971 - March 26, 2015

Posted by Larry Crumpler on 2015/03/28 07:47 CDT | 1 comment

Opportunity reaches a marathon milestone—in more ways than one. Larry Crumpler reports on the current status of the seemingly unstoppable Mars rover.

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Ceres Gets Real; Pluto Lurks

Posted by Paul Schenk on 2015/03/27 04:10 CDT

Although we are still along way from understanding this fascinating little body, Ceres is finally becoming a real planet with recognizable features! And that's kinda cool.

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Four Ideas to Bust the Floor on Outer Planet Mission Costs

Posted by Van Kane on 2015/03/26 08:25 CDT | 7 comments

The road to lower costs outer planet missions has been paved by NASA’s first two New Frontiers missions, the $700M New Horizons mission to Pluto and the $1.1B Juno mission to Jupiter. But can the cost of a mission to the outer solar system be cut to $450M, the limit for a Discovery mission?

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LPSC 2015: Aeolian Processes on Mars and Titan

Posted by Nathan Bridges on 2015/03/26 04:05 CDT

Planetary scientist Nathan Bridges reports on results from the Lunar and Planetary Science Conference about the action of wind on the surfaces of Mars and Titan.

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Mars Academy

Posted by Paul Hayne on 2015/03/21 03:55 CDT

A new project—"Mars Academy"—aims to expand the cosmic horizon and offer a broader sense of opportunity for at least one group of underprivileged children in an impoverished neighborhood in Rio de Janiero, Brazil.

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The Mapping of Pluto Begins Today

Posted by Mark Showalter on 2015/03/20 12:12 CDT | 7 comments

When New Horizons flies past Pluto in July, we will see a new, alien landscape in stark detail. At that point, we will have a lot to talk about. The only way we can talk about it is if those features, whatever they turn out to be, have names.

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Announcing: Planetary TV!

Posted by Merc Boyan on 2015/03/20 10:55 CDT | 1 comment

Planetary Society Media Producer Merc Boyan presents our new video resource.

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How Do We Know When We Have Collected a Sample of Bennu?

Posted by Kevin Walsh on 2015/03/17 04:19 CDT | 1 comment

A huge amount of effort goes into deciding where to try to collect a sample on Bennu. There are roughly nine months to survey, map and model the asteroid to help make this decision.

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