About 1 in 3 American adults has insulin resistance, a silent time bomb that doubles their risk for serious depression, Stanford scientists have learned.

Ask any high school biology student to draw a picture of a mammalian cell and they'll likely start with a rough circle (the cell membrane) enclosing the nucleus, mitochondria and other subcellular structures necessary for life.

Researchers have found that old skeletal stem cells contribute to bone fragility and poor healing in mice, but that a stem cell-boosting gel may help restore function.

One of the greatest mysteries of the COVID-19 pandemic is why some people fall severely ill while others suffer nary a sniffle.

A newfound biomolecule, consisting of RNA modified by sugars, could be present in all forms of life and might contribute to autoimmune disease.