Life expectancy across 117 mammals was increased by hormonal contraception and surgical sterilization in new study.

Why do lifespans vary across different species? A female elephant can live up to 80 years, but usually only has a few calves during her lifetime. A mouse, on the other hand, lives for a few years at ...

A team of stem cell scientists successfully spawned mice from two male parents that reached adulthood, a significant step, ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...

BEIJING — The idea of same-sex biological reproduction in mammals has long been thought impossible, like trying to build a ...

While some species of lizards and snakes can create new life via asexual reproduction, mammals rely on the union of male and female gametes for reproduction. 1 That was until a few years ago, when ...

A team of stem cell scientists have successfully used embryonic stem cell engineering to create a bi-paternal mouse -- a mouse with two male parents -- that lived until adulthood. Their results ...

In the animal kingdom, mating isn’t always about survival. From praying mantises to octopuses, some species die during or ...