Scientists are working to grow the rarest blood type in the world in a lab, an effort that could have huge ramifications for ...

Only one in every six million people have the Rh null blood type. Now researchers are trying to grow it in the laboratory in ...

A toddler has been recognized as the sole person globally diagnosed with an extremely rare disease, discovered during her mother's 36-week pregnancy scan. Stacie Hammond, 45, went for her 36-week scan ...