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 ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

Your blood is a delicate mixture. Researchers and clinicians often use blood to learn what’s going on inside our bodies, in part because siphoning off a tube of blood is easier and less painful than ...

Since the start of the pandemic, researchers have tried to figure out what, exactly, makes some people more likely to develop severe COVID-19 while others develop more minor forms of the virus. And, ...