Internet conspiracy theorists have been sent into a frenzy over the image, with speculation heightening over the idea that alien life has been found on Mars. The image, posted by Nasa and taken with the right Mastcam on Curiosity, shows what appears to be a 0.5cm metal spoke protruding out of a rock.
So, what is the strange sight? A robotic arm? A tool of some kind? An alien spaceship? According to reports, NASA don’t actually know what the mysterious object is…..Full Article Source