Fewer than 50 people on Earth do. Their veins carry Rh-null, an ultra-rare blood type experts say could help save countless lives. Now scientists are racing to grow it in a lab — a breakthrough that ...

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

Only one in every six million people have the Rh null blood type. Now researchers are trying to grow it in the laboratory in the hope it could save lives. Blood transfusions have transformed modern ...

Scientists in Thailand have uncovered more mysteries in the world of blood, beyond the commonly available blood groups, A, B, O, AB, with the Rh factor that determines positive and negative. They have ...

Several genes with varying inheritance patterns are involved in determining your blood type. The most significant gene is the ABO gene which determines your ABO blood type. Like many of your physical ...