The mating game in the animal kingdom is nothing less than fascinating and somewhat weird. Some species pierce, clone, chew, ...

a reproductive physiologist for the Smithsonian’s National Zoological Park. Historically, says Brown, zoo biologists went to Asia or Africa to replace lost animals. But dwindling wild ...

Wild animals that have acquired adaptations to maximize their reproductive output in some of the world's most extreme ...

University of Manchester scientists have discovered significant concentrations of microplastics in the male reproductive system of sea turtles.

A new study reveal for the first time that the guinea pig pre-implantation embryo is very similar to the human embryo, spurring a better understanding of infertility and early human development.

This method, called egg trading, keeps things balanced and ensures both partners pass on their genes. It’s a rare win for reproductive equality in the animal world.