Doctors stumbled upon a type rarer than “golden blood”—and suspect more patients carry the bizarre genetic anomaly.

There’s more history in your blood types than you think, and it didn’t begin with humans. Here’s what we know about them, ...

Human blood types have deep evolutionary roots ScienceNews: A new analysis suggests that the A, B and O blood types in people evolved at least 20 million years ago in a common ancestor of humans and ...

Scientists identify a new blood type, "Gwada negative," adding the 48th blood group system to human biology. (CREDIT: CC BY-SA 4.0) A routine medical test turned extraordinary for a woman from the ...

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 ...

More than 100 years ago, Dr. Karl Landsteiner discovered that not all red blood cells are alike. He found that, when different people's blood was mixed, it would often clump up and curdle, destroying ...

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 ...