Photographs of a 'winter wonderland' seen by Mars orbiters ... were captured by the German-built High-Resolution Stereo Camera (HRSC) on the European Space Agency's (ESA) Mars Express orbiter ...

Myhrvold first got the idea to photograph snowflakes 15 years ago but has finally set a new benchmark for high-resolution snowflake shots, really showing that no two are alike. 'In the back of ...