Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Astronaut Rick Mastracchio ...

Rising carbon dioxide levels are being detected within the human body, with new research warning a key blood marker for the gas could near its healthy limit within decades if current trends continue.

Researchers from the University of Sydney have used placebo pain relief to uncover a map-like system in the brainstem that controls pain differently depending on where it's felt in the body. The ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

Breast cancer patients should avoid fatty foods, warns a new study. Researchers found that a high-fat diet accelerates the growth and spread of breast cancer tumors. The effects of high-fat diet are ...

Spaceflight makes certain human stem cells age faster, a new study has found, furthering scientists’ understanding of the potential effects of space exploration on the human body. Stem cells are found ...

Explore 15 strange facts about the human body that sound surreal. From glowing skin to acid-proof stomachs, our biology is stranger than fiction.