Download more astonishing images of Mars in these fascinating screensavers.
These remarkably detailed images of the surface of Mars were taken by the High Resolution Stereo Camera on board Mars Express. Another onboard camera, OMEGA, has scanned the surface with its combined camera and infrared spectrometer to send back colourful images of its composition.
For the latest 3D screensaver, you will need stereoscopic glasses to view. For more information on Mars Express HRSC images, you might like to read our updated 'Frequently Asked Questions'.