It’s a growing problem in relationships. About 1 in 10 couples struggles to get pregnant within a year, which is the clinical ...

Men tend to lose the Y chromosome from their cells as they age. But because the Y bears few genes other than for male determination, it was thought this loss would not affect health. But evidence has ...

Alas, there are no homunculi crammed inside the smallest human cells. Yet recent research in fertility and urology suggests Hartsoeker’s image could work metaphorically: Sperm can be a proxy for the ...

When we talk about a biological clock ticking, it usually means the pressure women feel to fall pregnant before a certain age. It’s linked to the decline in eggs (ova) and fertility as females age.

A glaring gap exists when it comes to providing support and care to male victims of conflict-related sexual violence.

Men’s sexual and reproductive health may be awkward to talk about, but there’s a need to do so. For example, about one-sixth of all couples worldwide have difficulty conceiving children, and in half ...

A new study suggests that young men overwhelmingly support affirmative sexual consent in principle—yet often find its verbal implementation difficult in practice. The research, led by scholars at ...

Polyarmory: High-Calibre Love is one of the funniest, stupidest, most incredible names for a videogame I've ever seen.

Scientists have uncovered a previously unknown cluster of brain cells that may help explain differences in social behavior between males and females. The small neural circuit appears to function like ...

An industrial chemical most Americans already have in their bodies is back under the microscope. New research suggests that even low-level exposure in the womb can disrupt fetal development, ...

Drugmaker Novartis’ Super Bowl ad explained that prostate cancer screening starts with a simple blood test, aiming to dispel fear of an exam for a treatable cancer.

NEW YORK (AP) — From tech titans to Wall Street power brokers and foreign dignitaries, a who's who of powerful men make appearances in the huge trove of documents released by the Justice Department in ...