A man who battled childhood cancer has received the first known transplant of sperm-producing stem cells, in a study aimed at ...

Dr. Akiko Iwasaki has devoted her career to studying vaccines, to ward off infectious diseases. She talks about breakthroughs ...

Chinese researchers are reporting new steps in the quest for animal-to-human organ transplants. Researchers at Xijing ...

Two California researchers say a U.S. government health publication instructed them to remove data on sexual orientation from ...