Mars has always captured human imagination with its striking red hues and mysterious landscapes. Recent images from NASA’s ...

This stunning image of sandy dunes on Mars is a great example. The photo was snapped by the HiRISE camera built into NASA’s Mars Reconnaissance Orbiter, and it’s immediately apparent that what ...

On the Red Planet’s northern hemisphere, there are frozen sand dunes that look just like kidney beans-but you definitely ...

and surface texture provide clues about processes which have shaped them, such as wind, water, and chemical action. To study particle transport, John operated the Mars Wind Tunnel and the Venus Wind ...