It was the first day of spring break in 1992 in Phoenix, Ariz. and 12-year-old Heather Smith was excited for her family's upcoming ski trip. But before Smith and her family had even packed their snow ...

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

You don’t need it – and if it bursts, you need surgery fast. That basic story traces back at least to Charles Darwin, the ...

The human body is still a mystery, and some organs have largely been considered useless in one way or another. However, the ...