Inside our bones, an extraordinary process is taking place every moment of every day. Deep within the soft tissue known as ...

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 evolutionary analysis suggests that modern blood and immune cells may preserve a 700-million-year legacy inherited from ...

Myeloblasts are a type of immature white blood cell that form inside the bone marrow. Abnormal numbers of them can indicate serious health conditions. White blood cells are part of the immune system, ...