New research suggests that heat stress increases the occurrence of same-sex sexual interactions between male burying ...

Why do men have an Adam's apple? A biologist explains the puberty hormone surge behind it, the sexual-selection theory and ...

Whether it's investigating the financials of Elon Musk's pro-Trump PAC or producing our latest documentary, 'The A Word', which shines a light on the American women fighting for reproductive rights, ...

Genes associated with male reproductive biology appear to be under relaxed selective constraint in a primate species with low sperm competition.

The idea that octopuses might be aliens emerged from the theory of panspermia (Stelele 2018), according to which life on Earth is not entirely of terrestrial ...

Research reveals men crave emotional connection from sex just as much as women. Misunderstanding this costs couples real ...

Erection difficulty affects both partners, and you can navigate it together without letting it define your sex life.

Historians have long debated the sexuality of the 16th president, who had a deeply personal relationship with a male friend ...

Is it a real phenomenon or just a phallus-y?

A new study has found substantial regional differences in sperm quality, with men in the highest-performing region recording almost double the total motile sperm count of those in the ...

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Actor and activist Danny Glover, best known for starring as an easygoing police officer in the “Lethal Weapon” franchise, has revealed he has Alzheimer’s disease.