An investigation into why blood doesn't always behave as doctors expect has revealed a super-rare mutation in an extremely uncommon variation of blood. Testing more than 544,000 blood samples in a ...

Human blood already comes in a bewildering variety of types, but researchers have now identified a new one so rare that only three people on the planet are known to carry it. The finding exposes just ...

In a routine blood test that turned extraordinary, French scientists have identified the world’s newest and rarest blood group. The sole known carrier is a woman from Guadeloupe whose blood is so ...

The human body is always coming up with new ways to shock and surprise us, and it turns out that just 50 known people in the world have super rare 'golden' blood. Despite scientists studying the human ...

In a routine blood test that turned extraordinary, French scientists have identified the world's newest and rarest blood group. The sole known carrier is a woman from Guadeloupe whose blood is so ...

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, ...

There are rare blood types beyond the eight most common ones, and researchers have discovered one more that brings the total count to 49. Blood type A(B) is caused by a four gene mutations and was ...