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

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.

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

New research finds the human brain has a built-in pain map that activates in different areas when relieving face, arm or leg pain. But placebo pain relief only works where the brain expects it.

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 ...

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 ...