NASA’s Mars rover Curiosity has completed its first soil analysis of the Red Planet with no sign of organic material, the U.S. space agency said on Thursday.

“Rumors and speculation that there are major new findings from the mission at this early stage are incorrect,” NASA said in a statement. “At this point, the instruments on the rover have not detected any definitive evidence of Martian organics.”

So what is the significance of this "one for the history books" announcement that is supposed to be made at the Geophysical Society meeting in San Francisco next week? To read more, click here.