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May 5, 2014 12:20 PM ET // Ian O'Neill
When we think about Mars, we often imagine cold and unchanging landscapes. But this couldn't be further from the truth -- Mars is actually a planet with active weather systems that literally mold the land. Continue reading →
Mar 7, 2014 06:00 AM ET // Ian O'Neill
As winter descends on Mars' southern hemisphere, forming tell-tail frost in the lengthening shadows, the opposite is true in the northern hemisphere -- spring has sprung and the northernmost dunes are beginning to thaw.
Feb 28, 2014 06:01 PM ET // Ian O'Neill
As the southern hemisphere of Mars enters winter, frosty wisps collect in the frozen dune shadows. Continue reading →
Feb 7, 2014 12:43 PM ET // Ian O'Neill
Mars rover Curiosity has successfully driven over the 1 meter-high dune that stood in its way on the road to scientific discovery. Continue reading →
Feb 4, 2014 05:07 PM ET // Ian O'Neill
As Mars rover drivers plan a less aggressive drive to its next science target, Curiosity has been playing in the sand at the base of a dune. Continue reading →
Jan 14, 2014 01:40 PM ET // Ian O'Neill
Mars has some of the most breathtaking examples of dunes anywhere in the solar system -- best of all, we have a powerful high-resolution camera staring down at these enigmatic wind-blown features.
Jan 13, 2014 12:25 PM ET // Ian O'Neill
Tracking weather conditions on other planets is no easy task, but if we start watching dune formation, we could at least tell which way the wind is blowing.