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 ...

Bonds between same-sex individuals help apes and monkeys to manage conflict and strengthen alliances, especially in dry ...

In the framework of an international research project, a team of scientists have demonstrated for the first time that asexual reproduction can be successful in the long term. The animal they studied ...

Are you familiar with asexual animals? Asexual animals reproduce without involving sex or traditional fertilization. While this might sound strange, it’s actually quite natural—and even helps many ...

Sexual reproduction may be nearly as old as animal life itself, according to researchers who discovered a new species of organism that lived 540 million years ago. The tube-like creatures called ...

Most animals on Earth have two sexes, male and female, that combine and mix their genes when they reproduce. We are so accustomed to this state of affairs that the existence of all-female species that ...

New research finds that sexual reproduction and multicellularity drive diversity among different species. There are huge differences in species numbers among the major branches of the tree of life.

No males needed — animals that reproduce through the mind-blowing process of parthenogenesis. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Forbes contributors publish independent expert analyses and insights. I'm an American writer working in fiction and nonfiction. This article is more than 4 years old. A California Condor soars along ...

An Asian water dragon hatched from an egg at the Smithsonian National Zoo, and her keepers were shocked. Why? Her mother had never been with a male water dragon. Through genetic testing, zoo ...