Most mammal reproduction studies aim to not only discover who the fathers are but also to learn why some males sire more offspring than others. This is complicated since many male animals, including ...

If you're a male chimp looking for love -- or offspring -- it pays to make friends with other males. A study examined why male chimpanzees form close relationships with each other, and found that male ...

(MedicalXpress)—Two teams of researchers conducting independent experiments have found evidence that indicates that what a male mouse eats prior to mating with a female mouse can have an impact on the ...

ANN ARBOR—If you're a male chimp looking for love—or offspring—it pays to make friends with other males. A study led by the University of Michigan, in collaboration with Arizona State and Duke ...