[ricardobeat]

There is hardly anything to hear since the atmosphere is so thin.

[checker]

Looks like JPL was planning on making recordings with the Mars Polar Lander but we know how that turned out:

http://mars.jpl.nasa.gov/msp98/lidar/microphone/mic_found.ht...

[vecinu]

This is not true. There was a post in another topic that had a citation...there are a lot of sand storms on Mars and there is actually sound, it is just attenuated.