Some scientific studies from brain research suggest that near death, there may be brief bursts of electrical activity in the brain and changes in neurochemicals.

Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...

Scientists mapping the human body at the cellular level keep running into the same surprise: beneath the apparent chaos of tissues and organs, there is a hidden order that looks a lot like pure ...

Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. Humans have been trying to replace ailing parts of our bodies for thousands of years, turning to prosthetic limbs, ...

The same body can look very different depending on whether you approach it as a biologist, a doctor, or a mathematician.

The Greenland shark can live up to 500 years. The kind of longevity that probably has something to do with its home: cold, ...