A man's body fat percentage may be a better indicator of his reproductive health than body mass index (BMI), according to a large study of more than 1,000 Danish men. In a study published today ...

The corpus spongiosum is yet another part of the male anatomy that facilitates sexual reproduction. It is a soft, spongy tissue that surrounds the urethra. While the corpus cavernosum’s physiologic ...

Despite their formidable bodies, male gorillas are lacking in one particular area of their anatomy. They have the smallest penises and testes of all apes, and produce a low amount of sperm that ...