Reproductive physiologist Cara Wells says today up to 20% of transferred embryos have virtually zero chance of making a pregnancy and explains how video, AI and better selection can turn those losses ...

Each fall, tens of thousands of male tarantulas leave their burrows across the Southwestern and Western U.S., actively roaming their environments. They can be found in the mountains, in grasslands, on ...

IVF’s production of excess embryos is a problem in states that ban abortion as a means of protecting “unborn children.” ...

The human-made cells show many hallmarks of life, but they can't make all their necessary internal structures or divide for ...

Transferring the nuclear genome from one egg into the cytoplasm of a donor egg is a strategy to enable women carrying mutations in their mitochondrial DNA to have healthy babies. A new study uses ...

Female mammals have long thought to be born with all the eggs they would ever have, but new research is challenging that consensus ...

"It felt like too good to be true that I was seeing a miracle unfold in my life," Alyssa Fisher, a 30-year-old mom, tells ...

Watch the incredible transformation of a strawberry plant in this detailed 36-day time-lapse video. From budding leaves and ...

"I used to see him walking to me with the injection and I was like, 'I just cannot deal with this anymore. I don't know how I ...