A year after introducing the first pair of rare African black-footed kittens conceived through in vitro fertilization, the scientists at the Audubon Center for Research of Endangered Species in ...

With embryolike constructs built entirely from stem cells, researchers can revolutionize our understanding of development. But how close to an embryo is too close? In April, researchers in China ...

Scientists are exploring ways to mimic the origins of human life without two fundamental components: sperm and egg. They are coaxing clusters of stem cells – programmable cells that can transform into ...