The testicles, or testes, are important for the production and storage of sperm until they’re mature enough for ejaculation. They also produce testosterone, which is responsible for sex drive, ...

In science, we don’t often get to talk about male repression, but a new discovery gives us just such a chance. It turns out that ovaries can only remain ovaries by constantly suppressing their ability ...

Mutant sperm-factories spread in men's testicles as they age to increase the risk of children with genetic diseases, researchers have shown. Millions of spermatogonia produce a constant supply of ...

For about one-half of couples with fertility problems, experts say low sperm count is the cause. But maybe something as simple as changing the kind of underwear a man wears can make a difference. The ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. Endocrine disruptors ...

Resolving the evolution of soft-tissue structures, crucially depends on accurate knowledge of the evolutionary relationships between the considered species. If these relationships are not fully ...

The testes have been identified as the most distinct type of human tissue by the Royal Institute of Technology in Sweden. The team have detailed which proteins are active in which tissues of the human ...

Researchers have located one more anatomical organ where microplastics — of all shapes and constituents — are found: human testes. And although they can’t say for sure, they suspect the presence of ...