Not content with (potentially) infecting the pristine Martian surface with our germs, it appears that we’ve sent a rat (yes, a whole rat) to the Red Planet. And this isn’t some far-fetched hypothesis, there’s photographic evidence!
NASA’s Mars rover Curiosity snapped this panorama (above) of the “Rocknest” site with its MastCam camera on sol 52 (Sept. 28, 2012) of the mission.
Is Mars Infested With Pareidolia Rats? : Discovery News