Stock image of Mars (main ... parade", Mars is also reaching "opposition", this month. This is when Mars, Earth and the sun align such that Earth lies directly between Mars and the sun.

A NASA satellite has spotted frozen "kidney beans" on Mars' sand dunes trapped in place until springtime. Photographing them ...

Like Earth, Mars has polar ice caps, volcanoes, canyons and deserts. This image was stitched together from a series of photos from the Viking Orbiter — one of the communications relay stations ...

The Mars Reconnaissance ... you would on Google Earth for our planet—you’ll notice some thin white strips. These are tiny gaps in coverage—areas the MRO is yet to image—which account ...