'Thigh Bone' on Mars Is Just Another Rock, NASA Says

Saturday, August 23, 2014 - 09:30 in Astronomy & Space

A photo from NASA's Curiosity rover on Mars set the Internet abuzz this week with claims that the robot had found a "thigh bone" on the Red Planet. But not so fast. That so-called bone? Just a weathered Martian rock, NASA officials say.

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