A stunning fossil discovery in Ethiopia shows that early Homo and a previously unknown Australopithecus species lived together around 2.6 to 2.8 million years ago. The find overturns the classic ...

A new interdisciplinary review published in The Quarterly Review of Biology argues that red meat, once an essential component ...

For most of human history, green eyes didn’t exist. Understanding why they do now means rethinking what we know about ...

Researchers reveals how walking on two legs and expanding brain size drove the evolution of human right-handedness.

Why do we kiss? The answer involves ancient apes, immune systems and a neurochemical cocktail in the human brain that few can ...

Proteins extracted from six teeth of early humans residing in what is now China around 400,000 years ago provide new insights into how ancient genetic material may have made its way into modern humans ...

Learn more about humans’ 3-million-year-long relationship with red meat, and how the food that shaped human evolution may now come with a high health and environmental cost in the modern age.

Human birth has a reputation for danger. The usual explanation is simple enough: walking upright narrowed the pelvis, while ...

Scientists analyze 22,000 genomes documenting hundreds of genetic changes due to natural selection over the past 10,000 years, including variants linked to celiac disease and multiple sclerosis The ...