Biologists have debated the reason why Homo sapiens evolved a prominent lower jaw, but this unique feature may actually be a by-product of other traits shaped by natural selection ...

The chin is one of our most familiar features, yet scientists still debate why we evolved it. Here’s a breakdown of what we know about it so far.

Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis ...

Learn how repeated burn injuries may have acted as a form of natural selection, influencing human genes linked to healing and immune response.

BUFFALO, N.Y. ­­ ­ ­­— Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining strong teeth and defending against oral disease.

Human newborns arrive remarkably underdeveloped. The reason lies in a deep evolutionary trade-off between big brains, bipedalism and the limits of motherhood.

If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have ...

A team of researchers have generated the first complete chromosome sequences from non-human primates. Published in Nature, these sequences uncover remarkable variation between the Y chromosomes of ...

The meaning of taxonomic statements / George Gaylord Simpson -- East African fossil Hominoidea and the classification within the super-family / L.S.B. Leakey -- Quantitative taxonomy and human ...

What events led to differences between humans and other primates? What changes throughout evolution underlie such a dramatic shift in how we socialize and process information? Although somewhat ...

It’s a common mistake to think we came directly from the monkeys or chimps you see at the zoo today, […] ...