Discover the bizarre facts and fiction about the Virginia opossum's incredible symmetrical reproductive system.

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 ...

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.

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 ...

The energy invested in animal reproduction is as much as 10 times greater than previously estimated when the metabolic load of bearing and caring for offspring is accounted for, according to a new ...