President Biden’s polarizing speech on Thursday night sent social media ablaze with a glowing "blood red" background that stunned viewers. Biden aimed to frame the state of U.S. politics as a ...

The American Red Cross announced Monday the organization faces a blood shortage so severe it cannot provide enough blood to some hospitals that need it for patients. The Washington D.C.-based ...

A breakthrough in the understanding of how mammals create red blood cells could lead to opportunities for artificial blood to ...

Yeah, ‘they’re a threat,’ says the guy with the blood-red Nazi background and marines standing behind him. It’s a complete outrage that this is being sanctioned as a White House event.

Blood types are a classification of blood based on the antigens present in red blood cells. In the United States, O-positive is the most common blood type, and AB-negative is the rarest. A blood ...

The blood type of B negative is also uncommon, occurring in "2% of Caucasian, 1% of African American, 0.4% of Asian and 1% of Latino American" populations, says the Red Cross.

The Finnish Red Cross’ blood bank service wants to see more donors with foreign backgrounds rolling up their sleeves to give blood. They say that while suitable donors can be found in emergency ...

If you wonder why you've never seen blue blood before, someone might tell you that's because when you bleed, the blood is oxygenated upon contact with air, and immediately turns red. First things ...