In the Himalayan forests, the satyr tragopan performs one of the bird world’s most dramatic courtship displays.

When males are forced to compete for females, new species form more rapidly. This has been shown in a new study where the researchers compared beetles allowed to mate freely with groups of the same ...

Summary: A study revealed that both men and women with greater upper body strength report more lifetime sexual partners, challenging the sexual selection hypothesis, which emphasizes male physical ...

The number of sexual assaults in the U.S. military is likely two to four times higher than government estimates, according to a new study out of Brown University. The study, completed by the Costs of ...

In the 1800s, a conflict between the founding fathers of evolution divided the community. Charles Darwin believed sexual selection drove the variation in butterfly colors and patterns of males, while ...

This valuable paper examines gene expression differences between male and female individuals over the course of flower development in the dioecious angiosperm Trichosantes pilosa. Male-biased genes ...

What makes a male animal irresistible to a female? Is it his looks, smell, skills, or genes? Scientists have been trying to answer this question for a long time. However, they have not been able to ...

Louise Gentle works for Nottingham Trent University. My friend recently changed their favourite celebrity crush from Anna Kendrick to Lily James. While some people could see the attraction, others ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Whether we want to admit it or not, most everyone has had at least one sexual fantasy—and contrary to ...

TOKYO (AP) — Japan’s parliament on Friday raised the age of sexual consent to 16 from 13, a limit which had remained unchanged for more than a century and was among the world’s lowest, amid calls for ...