Immune System

The existence of these cells was hotly debated.

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.

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.

People who live to 110 seem to have unusually high levels of a rare immune cell.

A new study suggests that washing machines can sometimes harbor drug-resistant bacteria.

Only recently have scientists found the human eye has its own microbiome.

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.

This is not a good thing for lung function.

Being in outer space can have some odd effects on the body, including triggering dormant herpes viruses to reawaken.

These tiny tunnels were spotted in lab mice and traces of it in one inquisitive researcher.

One gene, which protects the body from autoimmune disorders also helps secretly usher in some viruses by changing their look.