C/2013 A1 (Siding Spring) comet, was discovered in the beginning of this year by ace comet-hunter Robert McNaught in New South Wales. The astronomers almost 74 days are observing this comet and according the observations, the comet C/2013 A1 will buzz Mars on October 2014. Astronomers says that the distance between the comet C/2013 A1 and Mars will be approximately 0.008 AU (650,000 miles) and this distance will be safe for Mars. As the comet was discovered not so long ago, it is difficult for astronomers to forecast the right location of comet after 20 months. All these forecasts are based in the current observations, and in case of new information, of course, these forecasts will be changed. Now the observations are continuing, and the astronomers doesn’t disclaim the fact, that the comet may clash with the Mars, but astronomers thinks that this will not occur.