Venus' surface - Sapas Mons rises 4 km above the surrounding plains of Atla Regio. Lava flows extend for hundreds of kilometers across the fractured plains shown in the foreground to the base of Sapas Mons. At least five volcanoes are known in this region
Mars covered in toxic chemicals that can wipe out living organisms, tests reveal Discovery has major implications for hunt for alien life on the red planet as it means any evidence is likely to be buried deep underground
A grid of small polygons on the Martian rock surface near the right edge of this view may have originated as cracks in drying mud more than 3 billion years ago. Multiple images of this view were combined for this view from NASA's Curiosity Mars rover.