Scientists say they’ve created embryonic stem cells by stimulating unfertilized eggs, a significant step toward producing transplant tissue that’s genetically matched to women. The advance suggests ...

Amid a national egg crisis that has pushed prices to nearly five dollars per dozen, their highest point in a decade, consumers across the United States are seeking alternatives to manage grocery ...

Researchers have discovered a mark left behind in unfertilized egg cells that determine which DNA instructions will be inherited if the egg is fertilized. when these instructions are missing, enlarged ...

A team of scientists from Maryland and Moscow say they'e used unfertilized eggs to produce stem cells -- a potentially major early step in bringing personalized stem cell therapies to women. The ...

B O S T O N, Oct. 22 -- A new technique could someday allow scientists to study stem cells while avoiding government restrictions on research involving cells derived from embryos. The technique, ...

Scientists have long known that the social insects in the order Hymenoptera–which includes ants, bees, and wasps–have an unusual mechanism for sex determination: Unfertilized eggs develop into males, ...