Science. 28 Months on Mars.

OUTERSPACE. NASA's Curiosity rover has explored Gale Crater for 833 Martian days, or Sols. And it has found evidence, written in red rocks and sand, of lakes and streams on a warmer, wetter habitable Mars.

http://www.nytimes.com/interactive/2014/12/09/science/space/curiosity-rover-28-months-on-mars.html