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Looks can be deceiving. Here's a look at a tire track where Curiosity stopped and then moved backward. A budding controversy?
Here's are some older "evidence" that many believed indicated there was life on Mars.
From the above image some sleuths discovered the mystery that's on the next page.
In 2008, A blowup section of an image from the Mars rover Spirit shows what looks like a person perched atop a rock on Mars. The image, shown here, was grabbed from panoramic images taken by Spirit November 6-9, 2007.
A NASA spokesman said that the "man" on Mars is actually "a 2-inch sedimentary rock that has been eroded by the wind."