Researchers say they have discovered an entirely new class of life inside the human body, and it is very similar to a virus.

Your heart and lungs work together to pump blood throughout your body. Oxygen rich blood from ... through your lungs because of the pressure inside these vessels. As a result, the lower chamber ...

The scientists’ attempts to untangle what was going on inside these mice is redefining ... tests offer a single estimate of how an entire body is aging. It’s increasingly clear aging doesn ...

In truth, running a reasonable fever is nothing to fear – and in fact, might even allow your body to fight off invading ...

What happens inside your body when you eat? Our explainers are engaging, collage-style animations which explain many of the issues and themes around sustainability. This video is a fun ...