Researchers at the University of Pennsylvania turned human blood cells into early sperm cells by transplanting engineered tissue onto a mouse’s kidney, according to a study published this month in ...

For now, that goal remains elusive. The lab-grown cells stopped developing at an immature stage. Many hurdles need to be ...

A Cornell-led study is challenging a decades-old explanation for how chromosomes exchange genetic material within the ...

Egg cells missing a key protein may be more likely to end up with the wrong number of chromosomes, but an mRNA injection that ...

When Dolly the sheep—the first cloned mammal—was born 30 years ago, she became one of the most famous animals in science ...

Modern IVF treatment can now achieve substantially higher success rates than historical approaches while dramatically ...