Articles

Larry Crumpler

Here at station 14 we have decided to do a detailed investigation of an outcrop that is well exposed and lies within an area where there is orbital remote-sensing evidence for clay minerals. These particular rocks are interesting in that they contain a lot of thin veins and alteration zones along joints (cracks) in the outcrops.

A.J.S. Rayl

While Curiosity and her team found themselves entangled in a media furor over comments, assumptions, and rumors of findings that have yet to be found, Opportunity roved on in November, finishing up the geologic survey of Matijevic Hill and setting a new mileage record along the way.

Emily Lakdawalla

I'm in San Francisco, reporting from the American Geophysical Union meeting. This morning, there was a much-anticipated press briefing featuring the latest results from Curiosity.

Emily Lakdawalla

With all the hoopla surrounding the unknown results of the first analysis of a soil sample by Curiosity's Sample Analysis at Mars (SAM) instrument, I thought an explainer would be useful. What is SAM, what is it designed to measure, and what is the nature of its results? Here you go.

Emily Lakdawalla

Water ice at Mercury's poles? That's crazy, right? The MESSENGER team has made a very good case that radar-bright material seen by the Arecibo telescope is, in fact, water ice, covered in most places by a veneer of dark organic material.

Daniel Macháček

A few days ago, the Dawn mission finally published their archival data. During the year of delay I often looked with anticipation to the Planetary Data System to check whether or not images were there, and I am delighted that they are finally available. Was the wait worth it? Definitely!

Emily Lakdawalla

Remember the amazing photo of Saturn's north pole that I posted yesterday? Now, thanks to an amateur image processor, it moves, and the motions of the individual clouds within the belts are mesmerizing.

Emily Lakdawalla

Amazing photos have just come back from Cassini, of swirling clouds surrounding Saturn's north pole.

Mat Kaplan

The New Horizons Pluto mission PI provides an update, and introduces his new public project called Uwingu.

Emily Lakdawalla

On Saturday, while parked for the Thanksgiving holiday at the edge of Glenelg, Curiosity took a lovely panorama pointed to the east and into Glenelg.

Casey Dreier

MSL Curiosity left the Earth one year ago today. This is my experience of the launch.

Emily Lakdawalla

This week's Cosmoquest Astronomy Hour Google+ Hangout at 1600 PST / midnight UTC on Wednesday will feature me and Fraser Cain talking about what Curiosity's been up to, and answering your questions.

Emily Lakdawalla

An animation of Curiosity photos shows changes in the weather.

Emily Lakdawalla

This morning while driving to work I heard a terrific story about Curiosity on National Public Radio from Joe Palca, NPR's science correspondent. It was a great story despite the fact that it contained virtually no news. The nugget of non-news is that SAM's analysis of Mars soil has yielded some unspecified, exciting, but not-yet-confirmed result. But that's not really what Palca's story is about.

Mat Kaplan

A Planetary Radio status report from the Dawn mission's Marc Rayman, accompanied by a fascinating video tour of Marc's at-home collection of space information and memorabilia.

Mat Kaplan

Bill Nye and Planetary Society colleagues welcome mission leaders Richard Cook and John Grotzinger to a live discussion about the Mars Science Laboratory Rover.

Emily Lakdawalla

Curiosity is a rover again at last! She was parked at the dune named Rocknest for 40 sols, from sol 60 through 99. On sol 100, she drove right on top of the dune, obliterating her five scoop marks. Then on sol 102 she took a good long, 35-meter drive so that she's now right on the edge of the

Emily Lakdawalla

After a false start earlier this year, the first chunk of Dawn Framing Camera data from Vesta has finally made it to the Planetary Data System. As a first step to understanding the data set, I've built some index pages to these cool images.

Tom Dahl

One of the nicest aerospace museums in the United States is the Museum of Flight, outside Seattle, Washington. I traveled cross-country in order to visit the

Björn Jónsson

This is a very large (19000 pixels square) mosaic of the fjords and glaciers of southern Greenland. I had been interested for a long time in experimenting with the processing of Earth satellite imagery just to get a comparison to the other planets.