A cutting-edge technique for analyzing fossil tooth enamel is revealing remarkable new information about 2 million-year-old human relatives.

Small pieces of tooth enamel from deep in a South African cave have begun to reveal secrets held for 2 million years by a distant human relative, a new study finds.. Archaeologists recovered teeth ...

Guidon first documented the red ocher cave paintings in the semi-arid state of Piaui in the 1970s. These ancient artworks, made with natural pigments such as iron oxides and charcoal, depict deer ...

Niède Guidon, the Brazilian archaeologist known for discovering hundreds of prehistoric cave paintings in northeastern Brazil and for her research challenging theories of ancient human presence ...

These ancient artworks, ... cave paintings estimated to be around 35,000 years old and evidence of fires dating back 48,000 years — Guidon argued that humans had arrived on the American ...

RIO DE JANEIRO (AP) — Niède Guidon, the Brazilian archaeologist known for discovering hundreds of prehistoric cave paintings in northeastern Brazil and for her research challenging theories of ...

Christians would flock to the Cave of Salome in Israel to pay tribute to Jesus' midwife. But a new study contests the long-held belief that she was laid to rest there.