Human male reproductive cells are officially breaking Newton’s Third Law of Motion by swimming through biological fluids ...

Bill Sullivan receives funding from the National Institutes of Health. I am a microbiologist, and my lab studies Toxoplasma. This new study bolsters emerging findings that underscore the importance of ...

It’s not just about chromosomes. Or reproductive cells. Or any other binary metric. Many genetic, environmental and developmental variations can produce what are thought of as masculine and feminine ...

Men have nipples, mammary glands and the hormones required, but the ability for male lactation rarely turns on. Here’s why ...

Share on Pinterest Could microplastics found in human penises contribute to erectile dysfunction, male infertility? Aleksei Toropov/Stocksy For the first time, scientists have found microplastics in ...

The male genital system consists of both external and internal parts. The external male genitalia include the penis, urethra, and scrotum. The internal male genitalia include the seminal vesicle, ...

Know how vitamin D deficiency may influence fertility in both men and women, its role in reproductive health, and whether improving vitamin D levels can support conception.

Two pre-prints, one from Canada the other from Hong Kong and China, provide convincing evidence that SARS-Cov-2 infects and damages male reproductive organs in monkeys and hamsters. The work helps to ...