The launch in late 1996 of the Mars Pathfinder mission with its Sojourner rover then was exciting news indeed. Before Spirit, the exceptionally long-lived Opportunity, and the relatively huge ...

and the agency also sent the Mars Pathfinder and Sojourner rover mission to the Martian surface in 1997 with great scientific success, as it found round rocks that were likely shaped by water in ...

Mars has been a fascination to us for centuries. Early observations falsely gave impressions of an intelligent civilisation ...

Basic by today's standards, but considerably more advanced than the missions to Mars – for example, the Sojourner rover – that had gone before. Of the twin Mars exploration rovers, Spirit ...