Google has already had running for some time a limited Martian version of their hugely popular Google Maps for Earth, allowing users to look at various features on the Martian surface and to pinpoint the locations of landers. In an agreement announced today with NASA, Google is to enhance this service significantly, allowing in due course for users to view high-resolution 3-D maps of Mars (and the Moon.) The collaboration is a growing one, with Google funding a NASA research center in Silicon Valley and using their search and indexing technology to unify and make easily accessible the vast amount of data held by NASA. Other aspects of the deal will allow real-time tracking of the International Space Station and the space shuttle from home PCs. Read more at BBC news.