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 ...

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 ...

A previously unrecognized genetic cause for two types of birth defects found in newborn boys has described in a report. Cryptorchidism is characterized by the failure of descent of one or both testes ...