February 8 marked the rover's first drill and the first drill into Martian bedrock ever. From that it collected samples and analyzed it through its Sample Analysis at Mars and Chemistry and Mineralogy instruments . Results showed that conditions could have once been favorable for life on the Red Planet! In July, Curiosity provided clues on how Mars possibly lost some of its atmosphere. August 6, the rover celebrated its one year anniversary on Mars. September marked the discovery of water on Mars. By December Curiosity performed the first ever geochemical analysis on another planet. 2013 rocked Curiosity!