Watch a white blood cell actively searching for bacteria or viruses under the microscope.

A vivid new image is taking shape in the world of cell biology: Imagine bacteria adhering to the surface of a cell, perhaps at the site of an injury or wound. In response, a white blood cell arrives ...

Stem cells are precursors of a variety of different cells: They can turn into anything from blood to bone to muscle. Human blood stem cells, known as hematopoietic stem cells, are the forerunners of ...

Myeloblasts are precursors to specific types of white blood cells that help your body fight infections. Too many myeloblasts may be a sign of a blood cancer like leukemia. Myeloblasts, or blast cells, ...

Congress releases massive funding bill ahead of shutdown deadline as ICE clash looms Air Force One turns around shortly after takeoff for Trump's trip to Switzerland Explaining the Japanese ...