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 ...

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, ...

Researchers have clarified how homologous chromosome pairing -- a process necessary for sperm and egg formation where paternally- and maternally-derived chromosomes match and exchange genetic ...

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 ...