Across life on Earth, blood comes in blue, green, purple, even clear. But why? And what makes your blood different from mine? This is the strange world of blood—what it does, why it varies, and why we ...

Clinical trials to explore the use of universal artificial blood are underway in Japan after initial volunteer doses began in March. The research, led by Professor Hiromi Sakai's laboratory, plans to ...

Researchers have converted a blood type A kidney to a blood type O kidney and successfully transplanted it, they reported in ...

Scientists move one step closer to "universal" donor organs with a successful kidney transplant in a brain-dead patient.

As the busy Fourth of July holiday week grows closer, the American Red Cross asks donors to celebrate by making a blood or platelet donation appointment to help power the blood supply through ...

(WLUK) -- A critical need for blood and platelets has the Community Blood Center urging donations. Officials say they are seeing an especially urgent shortage of Type O blood, but eligible donors of ...