A kind nurse who wasn't a match for her sick husband donated her kidney to a stranger being treated at the hospital where she ...

Abigail Marsh, a professor of psychology and neuroscience at Georgetown University, studies extraordinary altruism — people who jump in to rescue strangers in emergencies or donate a kidney to someone ...

Eight months after donating her kidney to a stranger in London, a Nigerian woman, who is 44, has opened up about her health According to the woman, donating her kidney wasn't a difficult choice to ...

Dave Rueckl, 63, turned to CrossFit to lose weight and qualify to become an organ donor. He donated his kidney to a stranger ...

A 78-year-old DoorDash driver was presented with a check totaling nearly $1 million after a doorbell camera video of him working -- and a subsequent online fundraiser on his behalf -- went viral.