Scientists have uncovered a surprising new picture of human origins that challenges the long-held idea of a single ancestral ...

Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis occurred, where life emerged from non-life. Imagine a hot, watery mix of ...

Scientists have uncovered surprising clues hidden deep in human DNA, and the findings are forcing experts to rethink a ...

There was a moment in human history when our entire existence may have desperately clung to a thousand or more people.

Walking on two legs has long been considered a milestone in human evolution and one of our most defining characteristics. Until now, researchers assumed that the first humans originated in Africa and ...

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from new developments in ape cognition to an expanded perspective of a ...

Data from more than 15,000 ancient people reveal natural selection of hundreds of genes linked to immunity, skin tone, ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

Human aging is not what natural selection failed to prevent. It is what happens when selection simply has nothing left to act ...

Why do 90% of humans reach with the same hand? The answer stretches back millions of years and involves fossils, language and ...

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.

Researchers discovered that autism’s prevalence may be linked to human brain evolution. Specific neurons in the outer brain evolved rapidly, and autism-linked genes changed under natural selection.