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

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 ...

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