Adult bone marrow churns out roughly two million new red blood cells every single second, a pace that adds up to more than ...

Blood cells carry a deep evolutionary history. A new analysis suggests their earliest ancestors were macrophage-like cells inherited from single-celled life.

Human blood already comes in a bewildering variety of types, but researchers have now identified a new one so rare that only three people on the planet are known to carry it. The finding exposes just ...

Share on Pinterest Pictured: Director of the Marine Institute of Plymouth Prof. Richard Thompson analyses nurdles and other micro-plastics in a laboratory at the University of Plymouth, south western ...

For decades, we’ve known that plastic pollution is everywhere — in the air we breathe, the water we drink, and the soil beneath our feet. But scientists have now uncovered something far more personal: ...

Vampires don't only haunt the pages of classic novels and spook us in horror movies — they're also lurking inside the human body. In new research, scientists have found that several bacteria ...

Almost all animal species—including humans—have blood cells, but between different species our blood tells different stories. The lineage and components of blood cells vary widely, and this variety is ...

A new study from Kyoto University in Japan has revealed that the blood pumping ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Clinical trials to explore the use of universal artificial blood are ...