Stretching along the Brazilian coastline, the Atlantic Forest is home to hundreds of species of birds, amphibians, reptiles, ...

Red blood is the exception, not the rule. Evolution has painted it green, purple and white in animals that push physiology ...

When you sit quietly for a moment listening to your heart pump blood through your body, do you think about blood vessels as a firehose drenching your organs and brain with red blood cells full of ...

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 ...

A study published in the journal Environment International finds traces of microplastic polymers in human blood. The sizes and shapes of polymers raise a serious concern over the possible risk of ...