Men have nipples, mammary glands and the hormones required, but the ability for male lactation rarely turns on. Here’s why ...

(Beyond Pesticides, April 25, 2025) A novel study in Chemosphere finds impacts on male fertility in a bee species (Osmia bicornis) with exposure to sulfoxaflor, a systemic sulfoximine insecticide with ...

As humpback whales recover, older males are fathering more calves, revealing how whaling still shapes mating and competition ...

Time-restricted fasting diets could cause fertility problems according to new research from the University of East Anglia. A new study published today shows that time-restricted fasting affects ...

Not all fish play by the same reproductive rules. Evolutionary biology reveals how deception became a successful mating ...

In a recent review published in Antioxidants, researchers described the implications of exposure to air pollutants on male fertility parameters and sexual health. They further discussed the potential ...

Male yellow crazy ants (Anoplolepis gracilipes) are chimeras of two separate genetic lineages, researchers report in a study that reveals a unique mode of reproduction in this species – one previously ...

In the debate over human origins and the nature of sexual reproduction, religious and scientific perspectives often diverge. The Bible claims man came first, with women derived from man’s rib. Yet, ...