And so it has come to pass: Chinese scientists at the University in Guangzhou have created the first genetically modified human embryos. Although there had been rumors circulating for some time that ...

Genetically engineered humans may still sound like the stuff of science fiction, but the quest to create genetically modified babies is getting a reboot. NPR's health correspondent Rob Stein brings us ...

Scientists have genetically engineered mice with some key characteristics of an extinct animal that was far larger — the woolly mammoth. This "woolly mouse" marks an important step toward achieving ...