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

Cutting off reproduction — from birth control to castration — consistently adds years to life across species, even humans.

Animal mothers exhibit remarkable resilience and ingenuity when raising large litters. Species like the tailless tenrec and ...

Animal reproduction and breeding encompasses the full spectrum of natural, assisted and genetic processes that underpin the perpetuation, improvement and conservation of species across diverse taxa.

Marker says the sperm bank at the Cheetah Conservation Fund she founded in the southern African nation is a “frozen zoo” of cheetahs she’s been building since 1990. It would be utilized in a ...

For 35 years, American zoologist Laurie Marker has been collecting and storing specimens in a cheetah sperm bank in Namibia, hoping conservationists never have to use them.But she worries that ...

In the largest study of its kind, scientists have accurately documented the massive change in animal morphology over the last 1,000 years, with domesticated animals growing larger across the board and ...