Infections can trigger pregnancy complications, and now, new miniature versions of the placenta are helping show why. When you purchase through links on our site, we may earn an affiliate commission.

Plus: Google and Character.AI have settled a lawsuit linking their AI to the death of a teenager This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's ...

Embryos made from stem cells, rather than an egg and sperm, appear to generate a short-lived pregnancy-like response in monkeys. Embryos made from stem cells—instead of a sperm and egg—have been ...