A new study shows there is a high cost of parenthood, quantifying the 10% “longevity tax” on reproduction. Consequently, mammals that have fewer or no offspring tend to live longer. But why does ...

Animals reproduce in one of two distinct ways: egg-laying or live birth. By studying an evolutionarily recent transition from egg-laying to live-bearing in a marine snail, collaborative research has ...

Reproduction in animals varies from species to species. Some types of reproduction, like parthenogenesis, are more unusual than others. This reproductive method requires only one individual rather ...

Animals have been reproducing sexually for hundreds of millions of years, but not always like we do it. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Add Yahoo as a preferred source to see more of our stories on Google. Animals reproduce in a variety of fascinating ways. Some species, including humans and many other mammals, give birth to live ...

After centuries of sustained effort, zebras remain evidence that domestication depends less on human ambition than on ...

Krish Sanghvi receives funding from Society for the study of evolution (Rosemary grant award). Irem Sepil receives funding from the Royal Society, BBSRC and Wellcome Trust. Regina Vega-Trejo receives ...

Meerkats, like wolves, live in communities in which only the dominant animals reproduce, but all members of the group help rear offspring. If you're enjoying this article, consider supporting our ...

Animals reproduce in a variety of fascinating ways. Some species, including humans and many other mammals, give birth to live young that develop inside the mother’s body. Others reproduce through less ...

A photo of the embryos that developed inside a live bearing female snail. Many different stages of development can be observed from just-fertilized, to fully-hatched miniature snails. Animals ...