The emergence of blood abnormalities, an adult ability to digest milk, and changes in our physical appearance point to the continued evolution of the human race.

Fragments of circulating DNA from tumors are around 20 to 30 base pairs shorter than those from healthy cells, researchers report.

Scientists can assay gene activity to distinguish between bacterial and viral infections.

Federal officials are investigating whether the diagnostics company misled investors.

A new study is rewriting 50 years of biological dogma by suggesting that mature blood cells develop much more rapidly from stem cells than previously thought.

Researchers identify a novel virus in blood samples taken in the 1970s.

An 11-gene set may help identify sepsis early, before it’s too late.

Alfred Donné’s microscopic daguerreotypes described the cellular symptoms of leukemia for the first time.

An injectable solution stops bleeding in rats with nicked femoral arteries.

Scientists develop synthetic blood-based biomarkers to amplify tumor signals in a mouse model.