The fingers of one of the hands were "retouched to become pointed like claws," the study's co-author said.

Exclusive: The discovery shows the particles can travel around the body and may lodge in organs ...

A stencilled outline of a hand found on the Indonesian island of Sulawesi is the world's oldest known cave painting, ...

H5N1 bird flu has infected growing numbers of people worldwide in recent years, but this week saw something new: the first recorded human case of an H5N5 avian influenza virus. What is this virus and ...

On a dry lakebed in southern New Mexico, a set of ghostly footprints has forced archaeologists to redraw the map of the first Americans. These tracks, pressed into mud by teenagers, children, and ...