Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

When a pregnant woman had her blood sampled back in 1972, doctors discovered it was mysteriously missing a surface molecule found on all other known red blood cells at the time. After 50 years, this ...

As we age, our immune system quietly loses its edge, and scientists have uncovered a surprising reason why. A protein called platelet factor 4 naturally declines over time, allowing blood stem cells ...

Researchers at University of California San Diego School of Medicine and their colleagues have developed the first comprehensive map of the dramatic changes that take place in the blood system over ...

When we think of blood, the colour red usually comes to mind. But in the animal kingdom, some creatures have blood that ...

Researchers at the University of Florida College of Medicine have uncovered how common age-related changes in the blood system can exacerbate certain colon cancers. Their findings also suggest how ...

Some animals do not have red blood like humans. From spiders to octopuses, their copper-rich blue blood helps them survive ...

Your body's circulatory system is a wondrous thing. It's made up of blood vessels that carry blood to and from your heart and also pumps blood to your lungs so you can breathe. It helps grow and ...

Young blood may be an elixir for older bodies, rejuvenating aging hearts, muscles, and brains. But how can old blood become young again? Stem cell scientists may have found a way. Young blood has a ...

When a pregnant woman had her blood sampled back in 1972, doctors discovered it was mysteriously missing a surface molecule found on all other known red blood cells at the time. After 50 years, this ...

Researchers from the UK and Israel have identified a new blood group system in humans, marking a major breakthrough in hematology. The discovery, published in September, stems from a puzzling case in ...