Experts have been puzzled by recently discovered fossils from the hand of an extinct human relative, Paranthropus boisei.

Almost 2 million years ago, a young ancient human died beside a spring near a lake in what is now Tanzania, in eastern Africa ...

Researchers have unearthed near Lake Turkana in northern Kenya fossils of hand and foot bones belonging to an extinct human ...

For decades, Paranthropus boisei, an early hominin that roamed eastern Africa a million years ago, was known for its gigantic ...

(CNN) — Ancient, fossilized teeth, uncovered during a decades-long archaeology project in northeastern Ethiopia, indicate that two different kinds of hominins, or human ancestors, lived in the same ...

Lead exposure may have spelled evolutionary success for humans—and extinction for our ancient cousins—but other scientists ...

An international study changes the view that exposure to the toxic metal lead is largely a post-industrial phenomenon. The ...