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

The new evolutionary study found two main reasons for the primate anomaly: to attract mates and to threaten rivals.

Modern comforts promise ease, yet a growing body of research suggests our bodies are still tuned for a very different world. Instead of thriving, many of us are developing chronic illnesses, fertility ...

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 ...

You don't have to be a genius: anemones have been using human genes to form their bodies for 600 million years.

Why do humans have larger penises than other primates? New research tests attraction, rivalry, and sexual selection for ...

A human study reveals how naturally occurring fat-derived molecules help switch off inflammation. Researchers at (UCL) have identified an important biological process that helps the body bring ...

In a proof-of-concept study funded by the National Institutes of Health, researchers from the Keck School of Medicine of USC and the California Institute of Technology (Caltech) have shown that an ...

This experimental study used life-sized and screen-based 3D male avatars to test how penis size, height, and body shape ...

Share on Pinterest The human body experiences rapid changes around age 50, according to a new study. Maskot/Getty Images Past studies show that human aging doesn’t necessarily happen at the same pace ...