each mouse was placed in an enclosure with a female mouse. The courtship began as the male mouse approached and began to sniff out the female. Once both were ready, the male mouse went through ...

In a lab in Japan, scientists transformed cells from the tails of male mice into eggs. They fertilized the eggs with ordinary mouse sperm and implanted them in surrogate mouse moms. The experiment ...

The team introduced a male mouse into another’s cage to initiate a fight. The resident mouse attacked the intruder and displayed threatening behaviors, such as tail rattling, to defend its territory.

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 ...

This is an image of mouse brain shows lateral septum (in green). Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing ...