New observations of comet C/2013 A1 (Siding Spring) have allowed NASA's Near-Earth Object Office at the Jet Propulsion Laboratory in Pasadena, Calif. to further refine the comet's orbit. Update: New ...
Comet 2013 A1 could approach Mars in 2014, delivering a potential impact of 35 million megatons of TNT. Learn more about its trajectory. If you're among those who would like to call Mars home someday, ...
October 19, 2014 might be a bad day for Mars. At least if Comet 2013 A1 (Siding Spring) has anything to do with it. The latest trajectory of the comet generated by NASA’s Near-Earth Object Program ...
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