Red blood cells are complex — there's much more to blood types than A, B and O. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

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 ...

Scientists move one step closer to "universal" donor organs with a successful kidney transplant in a brain-dead patient. When you purchase through links on our site, we may earn an affiliate ...

Add Yahoo as a preferred source to see more of our stories on Google. For decades, most of us thought blood types were simple: A, B, AB, or O—each with a positive or negative Rh factor. But that’s ...

French scientists have discovered a new blood type in a woman from the Caribbean island of Guadeloupe, France's blood supply agency announced Friday. The woman is the only known carrier of a new blood ...

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 ...