What’s your sign? What’s your aura? What’s your blood type? While horoscopes and New Age crystals often provide clear answers to the first two questions, the last one on that list can get complicated ...

A decades-long search to identify a mysterious blood antigen has led researchers to a hidden genetic difference found in a ...

Here’s what you’ll learn when you read this story: 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 ...

There are different blood types: A, B, AB, and O, with each also being Rh-positive or Rh-negative. Knowing your blood type is important for safe blood transfusions and organ transplants. Type ...

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