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

When we think of lead poisoning, most of us imagine modern human-made pollution, paint, old pipes, or exhaust fumes.

A prehistoric hominin that lived more than four million years ago in Ethiopia may have climbed like a chimp and walked a bit ...

“The hand shows it could form precision grips similar to ours, while also retaining powerful grasping capabilities more like ...

After comparing shapes, depths, and pressure patterns, this study found that two different hominin species left footprints in ...

Long before factories, mines, and cars filled the air with pollution, our distant ancestors were already living with a silent ...

The findings of this study suggest that the first humans may have originated from apes that were accustomed to living in two ...

Learn more about Ardipithecus ramidus and how their ankle bone paints a better picture of how our ancestors transitioned from ...

For more than a century, scientists have been piecing together the puzzle of human evolution, examining fossil evidence to ...

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

The oldest distinguishing feature between humans and our ape cousins is our ability to walk on two legs – a trait known as bipedalism. Among mammals, only humans and our ancestors perform this ...

(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 ...