There's rarely time to write about every cool science-y story that comes our way. So this year, we're once again running a special Twelve Days of Christmas series of posts, highlighting one science ...

Ancient DNA reveals pre-Inca societies transported live Amazonian parrots across the formidable Andes mountains.

They were dead, but for the sake of the capacocha rituals, their bodies had to undergo a series of more unfortunate events.

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DNA analysis of 34 individuals buried at Machu Picchu revealed that many traveled alone from throughout the Inca Empire. Who lived at Machu Picchu at its height? A new study, published today in ...