Comet Siding Spring

• In Photos: Comet Siding Spring buzzes Mars

  It didn't collide with Mars as initially anticipated, but Comet Siding Spring's extremely close flyby of Mars had all eyes --- and a few cameras -- turned towards the red planet on Sunday.

  Science

  Oct 20, 2014
  
• All eyes on Mars as comet set to buzz planet’s surface Sunday

  Astronomers around the world are keeping an eye on the red planet this weekend in anticipation of one of the closest planetary passes of a comet ever observed.

  Science

  Oct 17, 2014
  
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• 5 interesting things about Comet Siding Spring’s close encounter with Mars

  On Oct. 19, Comet C/2013 A1 -- better known as Comet Siding Spring -- will pass Mars at less than half the distance between Earth and the moon. Find out more about this close encounter of the Mars kind.

  Science

  Oct 14, 2014
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• NASA prepares for comet that will narrowly miss Mars

  One of the closest passes of a comet to another planet will take place in just a few months, and NASA is already taking steps to prepare its orbiters for the encounter.

  Science

  Jul 29, 2014