Blood type is a personal medical detail that doesn't come up much in casual conversation or even at doctor's visits, so I never really thought much about mine until it was required when filling out a ...

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, ...

Scientists have uncovered a hidden layer of genetic regulation that helps explain why individuals with the same blood type can differ so dramatically at the molecular level.