One year ago, Tim Andrews was among the world’s first recipients of a genetically modified pig kidney. Now, he is the first ...

Tim Andrews set a world record — living with a genetically modified pig kidney for 271 days. Now, he has a human kidney again ...

A multisite research team has issued ethical and policy recommendations for first-in-human clinical trials involving the transplantation of pig kidneys into humans. The first trial has been approved ...

Scientists have dreamed for centuries about using animal organs to treat ailing humans. In recent years, those efforts have begun to bear fruit: Researchers have begun transplanting the hearts and ...