Mars rover, Opportunity, is driving to a new study area after a dramatic finish to 20 months on "Cape York" with examination of a rock intensely altered by water.
An analysis of a rock sample collected by NASA's Curiosity rover shows ancient Mars could have supported living microbes.
The space agency will hold a press conference to reveal the results of the analysis of the grey-green dust it drilled from a rock on 8 February.
Curiosity is living up to its name. The NASA rover currently wheeling itself around Mars has apparently sent back some very interesting data from the Red Planet
The interplanetary internet has been used by an astronaut at the International Space Station (ISS) to send commands to a robot on Earth.
NASA's Mars rover Curiosity has completed initial experiments showing the mineralogy of Martian soil is similar to weathered basaltic soils of volcanic origin in Hawaii.