Human blood already comes in a bewildering variety of types, but researchers have now identified a new one so rare that only ...

Scientists have discovered the rarest blood type on Earth, belonging to just one woman. Talk about a lonely hearts club. An unidentified woman from Guadeloupe has the rarest blood type on Earth, to ...

A new study has found that we are still far from understanding the blood classification system – and more blood types are ahead of us.

In a groundbreaking development, French scientists have identified the world’s rarest blood group, known as Gwada-negative. It's a blood group so rare that only one woman in the world is known to have ...

A routine medical test turned extraordinary for a woman from the Caribbean when doctors found something completely new in her blood. Nearly 15 years ago, while preparing for surgery in Paris, doctors ...

Step aside A, B, and O—there’s a new player in town. Scientists in France have just reported the discovery of a novel, rare blood type, only recorded in a single person to date. The French Blood ...

This reality points towards a futuristic solution: lab-grown blood cells. Scientists are already working on growing red blood cells from stem cells that could be genetically modified to match ...

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 ...

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 ...

Zainab Mughal, a 2-year-old girl from Miami, needs blood transfusions for her cancer treatment but she has a blood type so rare that so far only four donors worldwide have been identified. In August, ...

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 ...