Earth's continents may look fixed on a globe, but they've been drifting, splitting and reforming over billions of years—and ...

According to new CT scans and models, parts of the 140,000-year-old skull resemble those of modern humans, while the jaw appears to be more similar to those of our extinct relatives ...

Neanderthal genes may explain why some people have Chiari malformation type I, a condition in which the brain bulges out of ...

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