India, May 29 -- It remains a mystery whether the conehead mummies found in Peru are human or alien, some say. The latest DNA testing on the ancient skulls failed to find any evidence that they were ...

About 500 million years ago, not a single creature had a skull. Over time, these bony plates evolved into the structural marvels that vertebrates—animals with spinal cords, aka you, me, and your pug, ...

Add Yahoo as a preferred source to see more of our stories on Google. The skull of a child who died in the 15th or 16th century was found by workers digging a pipeline in northwest Argentina. | Credit ...

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