While most of us know baby horses are adorable, the majority of people don’t realize the process involved in equine ...

For some animals, reproduction comes at the ultimate cost—their own lives. While this may seem extreme, it's a natural strategy to maximize reproductive success. These species invest everything into ...

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 ...

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 ...

In humans, women live an average of five years longer than men. In seven out of ten animals species, the female will also outlast the male animal. For example, a female moose can live twice as long as ...