Why do humans have an appendix? New research is reshaping our understanding of this overlooked organ and its antiquated role in our biology.

Biologists say the appendix isn’t useless after all. Evolution kept reinventing it, and it may help support gut immunity and ...

You may have heard that astronauts have their appendix removed before leaving Earth. After all, people say you can live without this organ because it serves no purpose, but how much truth is there in ...

The colon is part of the digestive system. It helps the body absorb water and nutrients from food before excreting the waste. It is made up of muscle and located just below the stomach. People ...

Most people know only two things about the appendix: You don't need it—and if it bursts, you need surgery fast. That basic story traces back at least to Charles Darwin, the English naturalist who ...