New research has identified yet another way that spaceflight tampers with the human body. A study involving samples flown on ...

Physiology studies how the human body works, including the functions and interactions of its systems, cells, and organs, and the maintenance of homeostasis. It explores how the body adapts to ...

Chromosomes are structures made of protein and DNA code, and would unravel and lose proper function without the telomeres ...

Scientists report on their identification of a previously undetected, but widespread, structural feature in the human body that could play a key role in how tissues and organs function, and also ...

Humans are complex organisms made up of trillions of cells, each with their own structure and function. Scientists have come a long way in estimating the number of cells in the average human body ...

A genetically modified pig lung remained viable and functional over a period of 9 days after being transplanted into a human ...

Bill Bryson's new book "The Body" is a tour of the fascinating and bizarre ways the human body functions.

Some human body parts serve no purpose despite once having a specific function among our ancestors. For example, some of them can be removed, without lowering people's quality of life.