The camels at Jebel Misma have been frozen in a march for 12,000 years. “They are really spectacular,” says paleoanthropologist Michael Petraglia. “They’re beautiful, monumental.” Rock art has been ...
These features may result from non-biological processes occurring over millions of years. But now, in a new study published Sept. 10 in the journal Nature, NASA scientists have announced intriguing ...
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