Scientists have discovered a hidden fibrous sheath beneath the belly button that explains why navels stay concave for life.

Scientists have discovered a new abdominal structure called the umbilical sheath, which anchors the remnant of the umbilical ...

Something we all possess but rarely give much thought to is belly buttons. That small indentation on your belly might not be impressive-looking, but it’s a devious area where sweat, dirt, and bacteria ...