Using near-infrared imaging, researchers uncovered extraordinary hand-poked designs of tigers, griffins and tiny roosters on the body of a 2300-year-old Siberian mummy.

Tattoos are rare in the archaeological record, because skin rarely survives the centuries. But in the permafrost of the Altai ...

The ancient tattoos, which would have required trained artistry and hours of work, would be difficult for even modern ...