Humans are sexual, meaning that both a male and a female are needed to reproduce. Each is equipped with specific organs capable of producing specific cells needed to procreate. In conjunction with ...

They're also all over the environment, including in our water and our food. Now, new research adds to concerns that they could be affecting male fertility. NPR's Will Stone reports.

When he set out to do the study, Yu didn't expect microplastics would have penetrated the male reproductive system so extensively, given the tight blood-tissue barrier around those organs.

To help elucidate the reproductive characteristics of the Atlantic snow crab Chionoecetes opilio, the functional anatomy of the male reproductive system and the female spermatheca was investigated ...

What is the male reproductive system and how does it work? Read on to learn more about the function and anatomy of the external and internal male reproductive organs.