Blocking reproduction through contraception or sterilization increases lifespan in both male and female mammals across more ...

If you’ve ever joked that dating is killing you, science may have just backed you up. According to a massive new study, ...

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 ...

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 ...