This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from ...

The origins of consciousness date back about 540 million years ago, when animal bodies became more complex. Feelings like ...

A new study suggests rapid evolution of widespread neurons in humans may explain higher autism prevalence, showing natural ...

For the first time, scientists have reconstructed the ancient genomes of human betaherpesvirus 6A and 6B (HHV-6A/B) from ...

A mystery that started with the discovery of a pinkie finger bone in Denisova Cave in the Altai Mountains of southern Siberia may finally have been cracked.

New study of 7-million-year-old fossils from Chad proves Sahelanthropus tchadensis walked upright while still climbing trees.

The pelvis is often called the keystone of upright movement. It helps explain how human ancestors left life on all fours ...

Researchers find Apennine brown bears evolved into a smaller, less aggressive animal after centuries of coexistence with ...

Why did humans evolve the eyes we have today? While scientists can't go back in time to study the environmental pressures that shaped the evolution of the diverse vision systems that exist in nature, ...

Bite force, a measure of the strength of an animal's bite, helps researchers understand a species' role in the ecosystem.