Has a fossilized, reptilian spine been spotted on Mars by the Curiosity rover?
According to plenty of NASA watchers on the web, it's possible.
In the latest round of photos published by the space agency to the Internet, one picture caught the attention of the eagle-eyed public dedicated to poring over every pixel downloaded from the rover carefully making its way across the Martian landscape.
a closer look
more here: http://www.ufo-blogger.com/2013/02/mars-fossilized-spine-nasa-curiosity.html