The process of egg formation in fruit flies relies on physical phenomena analogous to the exchange of gases between balloons of different sizes, according to a new study by biologists and ...

Many women freeze their eggs to increase their chances of having children later — but that's not always a possibility. (Photo: Getty; designed by Quinn Lemmers) Ahead, women whose frozen eggs didn't ...

The process also involves the formation of oocytes with two nuclei, but these always undergo apoptosis. The study details the steps of cell death associated with egg formation and shows that the ...

Have you ever wondered why chicken eggs can be different colors? While most eggs are white or brown, they also come in colors like cream, pink, blue and green. In addition — and this is no “yolk” — ...

One of America's most recognized and experienced broadcast journalists, Lesley Stahl has been a "60 Minutes" correspondent since 1991. While birth rates in the United States are near historic lows, ...

Many have suggested that I freeze my eggs because I recently turned 30 years old, and I’m unmarried and single. While I normally ignore unsolicited advice about my body and future, I have been more ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

Egg cells are by far the largest cells produced by most organisms. In humans, they are several times larger than a typical body cell and about 10,000 times larger than sperm cells. There's a reason ...