Winter images of NASA's Phoenix Lander showing the lander shrouded in dry-ice frost on Mars have been captured with the High Resolution Imaging Science Experiment, or HiRISE camera, aboard NASA's Mars Reconnaissance Orbiter.
Nutrients and episodes with thin films of water during long-term climate cycles may sometimes make arctic Mars a favorable environment for microbes.
After a picture-perfect landing, the Phoenix Mars Lander returned unprecedented views and new findings from Mars’ north polar region.
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The Mars Lander surpassed its original three-month mission, lasting five months in the Martian northern plains, digging up scientific "firsts" along the way.
› View This VideoAn audio recording and images from the August 5, 2008, media telecon.