Condom use among younger gay and bisexual has declined over the last decade, but sex education could help reverse the trend.

To find out how sex relates to lasting love, scientists studied prairie voles, one of the few mammals that form long, monogamous relationships.

Textbooks used by a majority of introductory US biology classes paint a "Men are from Mars, Women are from Venus" image, running afoul of scientific evidence.

A plant-based diet may improve sexual function in men being treated for prostate cancer, according to new research.

"Long COVID symptoms really may have a physiological and psychological impact on sexual well-being for women."

Studies debunk prevailing belief, highlight series of gender-based social factors.

Female bodies have an advantage in endurance ability that means Paleolithic women likely hunted game, not just gathered plants. The story is written in living and ancient human bodies.

It’s a difference which can have a big impact on careers and earnings.