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 a ...

Human genitalia evolved through development which has been chronicled by a team of researchers from Harvard University. Male snakes and lizards each possess a pair of penises, which evolved from ...

Researchers at the Johns Hopkins Children's Center and the Johns Hopkins Bloomberg School of Public Health report that male rats whose mothers were fed diets containing genistein, a chemical found ...

A recent study found microplastics in every human testicle examined, raising significant concerns about the impact on the male reproductive system. People magazine reported that the study, published ...

Believed critical for determining which individuals can -- or cannot -- successfully reproduce with each other, genitalia not only figure prominently in the origin of new species, but are also ...

Intersex is an umbrella term for people who are born with one or more traits in their chromosomes, genitals, hormones, or internal reproductive organs that don’t fit the typical male or female ...

Discover how tobacco negatively impacts men's reproductive health and learn how quitting can restore fertility and improve ...

The mating game in the animal kingdom is nothing less than fascinating and somewhat weird. Some species pierce, clone, chew, or even fake their way through the mating process. To make survival ...