An investigation into why blood doesn't always behave as doctors expect has revealed a super-rare mutation in an extremely ...

Scientists are working to grow the rarest blood type in the world in a lab, an effort that could have huge ramifications for ...

Talk about a lonely hearts club. An unidentified woman from Guadeloupe has the rarest blood type on Earth, to the extent that she’s only compatible with herself. The 68-year-old is thus far the only ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. In a routine blood test that turned extraordinary, French scientists have ...

In 2011, a woman from the French overseas region of Guadeloupe underwent routine tests before a surgery. Strikingly, doctors could not identify her blood group, which was so unique that they did not ...