The American Society for Reproductive Medicine, one of the largest fertility organizations in the United States, offers non-legally enforceable recommended guidelines encouraging fertility clinics to ...

The creation of a woolly-mouse embryo marks a significant leap in the field of de-extinction, bringing us one step closer to reviving the iconic woolly mammoth. By combining advanced gene-editing ...

Scientists have created a 6-legged mouse embryo with an extra pair of hindlimbs at the expense of their external genitalia. But far from creating a monster, this rudimentary rodent provides important ...

It’s challenging to sustain a pregnancy when food is short, or conditions are otherwise tough. That’s why many mammalian embryos can postpone their growth to get through periods of environmental ...

This is the first-ever study that shows mammals may be able to thrive in space. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Researchers have ...

Scientists have succeeded in achieving the world's first pregnancy of a rhinoceros after an embryo transfer. The southern white rhino embryo was produced in vitro from collected egg cells and sperm ...

One of the first documents patients sign when starting in vitro fertilization asks them to consider the very end of their treatment: What would they like to do with extra embryos, if they have any?