The Mars Curiosity rover has reportedly made a major discovery on Mars, which NASA plans to announce soon.
The discovery was made by the rover's Sample Analysis at Mars (SAM), which is an on-board chemistry lab, reports the Daily Mail.
SAM [image on right] samples Martian rock, soil and air. It is able to identify organic compounds that could indicate life.
John Grotzinger, chief scientist of the Curiosity team, told NPR: "This data is gonna be one for the history books. It's looking really good."
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Grotzinger told SPACE.com that the findings will be revealed at the meeting of the American Geophysical Union, which begins on December 3 in San Francisco, California.
The Curiosity team reportedly needs time to double-check the findings.