MIAMI (CBSMiami) - Male reproduction is not affected by either the Pfizer or Moderna COVID-19 vaccines, according to a study published Thursday in the Journal of the American Medical Association (JAMA ...

The Zika virus attacks cells in mouse testes crucial for sperm and sex hormone generation and hampers reproduction, according to new research that raises the possibility that the virus could affect ...

Live mouse progeny can be generated with assisted reproduction using germ cells from males without any Y chromosome genes. In these males, the two Y genes previously demonstrated to be essential for ...

We have two contradictory expectations about human biology and behaviour. Given our primate and mammalian ancestry, we must be pretty similar to chimps, monkeys, and even rats. But given our big ...