Even after decades of research, biologists are still uncovering surprises about the human body. A team of researchers from ...

Scientists have discovered a never-before-seen part of a human cell that could help research on Alzheimer's disease. The new ...

Ultrasound scanners, which image the inside of the human body, are a life-saving medical tool. Now researchers have shrunk the handheld ultrasound probe—which typically requires a highly trained ...

In science fiction, spaceships moving at or beyond lightspeed enable all manner of universal exploration. But in Earth-bound reality, traveling at the speed of light (299,792,458 meters per second ...

Every year, an estimated 20,000 people donate their bodies to science for the purpose of medical research and education. But unlike organ donation, these body parts can be bought and sold for profit.

The National Academies of Sciences, Engineering, and Medicine are the nation's pre-eminent source of high-quality, objective advice on science, engineering, and health matters. Top experts participate ...

Four teams have coaxed human stem cells to organize themselves into embryo-like forms. The advance could shed light on fertility. By Carl Zimmer In its first week, a fertilized human egg develops ...

But there’s no evidence based on the human body’s physiology that people in these hotter, more humid climates, tropical climates, are innately more able to cope with heat. So stated another way, it’s ...