Stories, updates, insights, and original analysis from The Planetary Society.
How much water is there on the Moon, and is it in a form that human explorers could use? This part of the story has many more questions and many fewer definite conclusions.
Jani talks about the importance of understanding analogs we can easily visit on Earth to processes happening across the solar system.
The Cassini spacecraft made its 59th flyby of Titan, Saturn's largest moon, on Friday, July 24, and in the last few hours we have received images from the RADAR instrument in SAR (Synthetic Aperture Radar) mode.
Each Titan flyby is not a fork in the road, but rather a Los Angeles style cloverleaf in terms of the dizzying number of possible destinations. So how did our current and future plans for the path of the Cassini spacecraft come to be? That's the question Dave Seal put to me since that's my job -- I am a tour designer.
David Seal explains the complications for Cassini coming from Titan's atmosphere and Solar Cycle.
David Seal muses on his time as the mission planner for Cassini, and the history behind its name, and astronomy in Rome.
Water and the Curiosity Landing Site Candidates
Sometimes it is a bit awkward being a planetary scientist.
Despite still being more than six years and just over 18 Astronomical Units from the Pluto system, the project team for New Horizons is conducting the second and final portion of our Pluto Encounter Preliminary Design Review (EPDR) tomorrow and the next day.
Jim Bell describes his proposal to join the Lunar Reconnaissance Orbiter Cameras science team.
After posting my brief
On the pronunciation of
An article in the September 26 issue of Science neatly explains why only the southern half of Mars is strongly magnetized.
I apologize for the long hiatus in this White Rock series, but I hope this entry will be worth the wait.
In the fourth installment in my look at one spot on Mars as seen through the eyes of different spacecraft, we finally get to a mission that is still operational: 2001 Mars Odyssey.
We first spotted the strange bright feature colloquially known as
This is the second installment in my look at one enigmatic feature on Mars as seen by all its orbiters through the more than thirty years of spacecraft observations.
While conversing with Ken Edgett about the smiley face on Mars he remarked to me how different Mars looks at different pixel scales, and in particular that there is a transition somewhere in the neighborhood of six to seven meters per pixel.
JAXA has released a 30-minute video of the Hayabusa mission,
After three days of presentations, voting, and extended discussions, the