Neutrophil extracellular traps may hold clues to the cause of skin lesions in patients with a painful condition called hidradenitis suppurativa.

The energy-producing organelles also send out parcels with antimicrobial compounds to help destroy pathogen invaders in macrophages.

Collagen tunnels through mouse lymph nodes ferry antibodies into the bloodstream.

In response to short DNA fragments, lymphocytes release mitochondrial DNA that helps trigger an immune response.

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.

Australian researcher Donald Metcalf, whose discoveries transformed cancer treatment, has passed away at age 85.

The body of a supercentenarian expands science’s appreciation for the physiological limits of aging.

Supercentenarian Hendrikje van Andel-Schipper appeared on CNN in 2009, before donating her body to science and yielding insights into her remarkable longevity.