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.

Animals more likely to eat their young are those with faster reproductive cycles. “Species that have large broods might be ...

American zoologist Laurie Marker has been collecting and storing specimens in a cheetah sperm bank in Namibia for 35 years, ...

In the animal kingdom, pregnancy rarely follows the rules, with many species being pregnant for a year or more.

If you’ve gone on an African safari, chances are you’ve heard of the Big Five, the must-see list of iconic megafauna. The term, coined in the late 1800s during Africa’s colonial period, refers to what ...

Education Cabinet Secretary Julius Ogamba, supervises the opening of the KNEC examination container at the Ruiru Sub-County DCC offices in Kiambu County on 19th November 2025. (By Gitau Wanyoike) The ...

Beauty may be in the eye of the beholder, but everyone knows “cute” when they see it. You can’t miss it in eastern quolls, adorable little spotted marsupials that are native to Australia. In March ...

Many mammals deliver in minutes after long pregnancies. See which species have the quickest births to help newborns thrive.

This is a preview. Log in through your library . Journal Information Founded in 1955, Phronesis has become the most authoritative scholarly journal for the study of ancient Greek and Roman thought ...

Scientists trace the origins of human kissing back over 20 million years to ancient apes who first showed gentle ...

While most of us know baby horses are adorable, the majority of people don’t realize the process involved in equine reproduction. Many unique and innovative factors are at play in the way horses breed ...