PASADENA, Calif., Jan. 28 (UPI) -- NASA says it plans to observe a comet that will buzz Mars this year,coming about 10 times closer than any identified comet has ever flown past Earth.
Comet C/2013 A1 Siding Spring will make its closest approach to the Red Planet, a distance of about 86,000 miles, Oct. 19, the space agency said Tuesday.