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 ...

Investigators have employed mutant mice to study how the accumulation of genetic errors is managed during egg and sperm formation. Sometimes the best way to understand a biological process is to ...

While birth rates in the United States are near historic lows, more and more American women are freezing their eggs to preserve their fertility. The number of procedures has increased more than six ...

IDAHO FALLS, Idaho (KIFI) – A local chicken is producing eggs inside other eggs continuously on a family chicken coop in Idaho Falls. The Rosenkrance family got their first set of chickens back in May ...

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 ...