The existence of these cells was hotly debated.
When it comes down to it, it's your immune system versus the world. From "innate" immunity — which protects your body against basic threats — to "adaptive" immunity, which homes in on specific targets, your immune system has you covered. Sometimes, however, your immune system can turn against you, leading to autoimmune diseases. To keep up with all things immune, check here for the latest news.
You might not see this germ-fighting duo in the next superhero blockbuster, but they work wonders in the immune system.
The researchers say the discovery will give them new insights into how the immune system works, as well as enabling them to revise some of the most basic assumptions of immunology.
These Y-shaped molecules can precisely target and neutralize viruses, bacteria and other foreign invaders.
Much is unknown about the coronavirus, but scientists expect infection to induce some level of immunity. Here's what we know.
Adults, even healthy young adults, are felled by the new coronavirus 2019-nCoV much more readily than children. Here's why.
Dead cells in the body don't sound very useful, but they might provide a new way to fight cancer, a new study in animals suggests.
A microscopic video of the human immune system in action reveals how our bodies blow tiny holes in foreign bacteria, while leaving our own cells intact
It’s clear that chronic stress isn’t great for you, but we still don’t know whether it drives cancer.
Eight infants with a severe immune disorder, known as "bubble boy disease," appear to be cured of the disease thanks to an experimental gene therapy.
A new cancer "vaccine" that's injected directly into a single tumor can trigger the immune system to attack cancer cells throughout the body, a small new study suggests.
Being in outer space can have some odd effects on the body, including triggering dormant herpes viruses to reawaken.
One gene, which protects the body from autoimmune disorders also helps secretly usher in some viruses by changing their look.