Blood type A(B) is caused by a four gene mutations and was discovered when the blood of patients and donors was being studied ...

The ABO-Rh system of blood group typing is an immensely successful method that helps medical professionals safely perform blood transfusions throughout the world. Scientists from the French Blood ...

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 ...

That seemingly arbitrary letter you rarely think about could be silently influencing your health in surprising ways. Your blood type, determined before birth and unchanged throughout life, extends far ...

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