A pregnant woman's blood sample taken in 1972 was mysteriously missing a surface molecule found on all other known red blood ...

Look at blood smeared across a slide under a microscope, and you see a mystery revealed. The ruby-colored, vital, fluid of life we call blood is made of lots of stuff. There is the liquid plasma that ...

Scientists in Thailand have identified a remarkably rare hybrid blood type, B(A), found in only three individuals out of hundreds of thousands tested. This discovery challenges traditional blood ...