For the first time, scientists have created embryos that are a mix of human and monkey cells. The embryos, described Thursday in the journal Cell, were created in part to try to find new ways to ...

Seven years after the first gene-edited babies were revealed, biotech startup Manhattan Genomics is reviving the idea of ...

Image of the human-monkey embryo; human cells are labelled in red Credit - Weizhi Ji, Kunming University of Science and Technology In a ground-breaking experiment, researchers have successfully ...

Scientists injected human stem cells into macaque embryos into a study on human development. Some of the embryos continued to develop for 20 days, researchers said. But the experiment has sparked an ...

NEW YORK -- Scientists in Oregon say they've reached the long-sought goal of cloning monkey embryos and extracting stem cells from them, a potentially major step toward doing the same thing in people.

Scientists say they have, for the first time, cloned human embryos capable of producing embryonic stem cells. The accomplishment is a long-sought step toward harnessing the potential power of ...

Two research groups have independently produced human embryonic stem-cell lines from embryos cloned from adult cells. Their success could reinvigorate efforts to use such cells to make ...