The operation sparked controversy from medical ethicists and animal rights activists alike Virginia Chamlee is a Politics Writer at PEOPLE. She has been working at PEOPLE for three years. Her work has ...

Today, Brooks Klingsporn is a happy 1-and-a-half-year-old baby. However, he's already had more heart surgeries than most people get in a lifetime — including one before he was even born. Last year, ...

After eight years of training, Dr. Maureen McKiernan made her debut as the lead surgeon on an infant heart transplant — an operation on the edge of what’s possible. After eight years of training, Dr.

When a baby born prematurely was in need of a new heart, doctors found the answer in an unlikely and controversial source: a baboon. What happened next captivated the nation and ignited conversation ...