Was blood a factor in the demise of the Neanderthals? New research is showing that Homo sapiens underwent huge changes in their blood groups after leaving Africa, between 70,000 and 45,000 years ago, ...

A canal in Argentina mysteriously turned bright red on Thursday, alarming residents who were woken up by its strong odor.

Eating foods high in key nutrients, including iron, folic acid, and vitamin B12, and limiting alcohol may help increase your red blood cell count. Red blood cells are the most common cells in ...

In August, the Red Cross sounded the alarm. It announced that its national blood inventory plummeted more than 25% in July and cited the record-setting heat for having been a factor in the meager ...