A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

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

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 ...

Reproduction is central to survival, but it may come at a hidden cost. In a new study, which drew on zoo records from more than 110 animals around the world, researchers found that blocking ...

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 ...

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 sweeping global study reveals that who lives longer, male or female, is written not in the chromosomes but in the battles for mates, reshaping how scientists understand aging across the animal ...