[bioqubit]

to me it is so obviously a hoax.

[Textide]

That's what I was thinking. It's on one of NASA's official pics though. Here's a 43MB image.

http://marsrovers.nasa.gov/gallery/press/spirit/20080103a/1198865273_31824-1_Sol1369A_WestValley_L257F.jpg

The page with the story of the image is here:

http://marsrovers.nasa.gov/gallery/press/spirit/20080103a.html

Only thing I can't figure out is why the author chose to say that scientists have been studying this for years. The caption clearly states that the pic was taken on Sept 5, 2007.