Scientists mapping the human body at the cellular level keep running into the same surprise: beneath the apparent chaos of ...

Researchers say some widely reported findings of microplastics in human organs may be false positives Critics warn rushed ...

A simple light-based method is uncovering hidden fiber networks inside the brain and body, even in tissue slides over 100 years old.

Ultra-endurance athletes can push their bodies to extraordinary extremes, but even they run into a hard biological wall. Researchers tracked ultra-runners, cyclists, and triathletes over weeks and ...