Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...

A newly developed imaging method blends ultrasound and photoacoustics to capture both tissue structure and blood-vessel function in 3D.

Fear has a scent. Here’s how this invisible chemical signal has shaped human perceptions, emotions and survival instincts.

Scott Sheffield has been teaching anatomy at the university level for over 21 years. He has passionately and carefully produced the site "Get Body Smart - Human Anatomy and Physiology". This site ...

A rare Homo habilis skeleton from Kenya reveals how early humans moved, climbed, and adapted more than two million years ago.

Most of us never get to see the inner workings of our bodies. Sometimes we get tiny glimpses when our bodily fluids make an appearance in the outside world—like a runny nose, a bleeding paper cut. But ...