Our ancestors were making tools out of bones 1.5 million years ago, winding back the clock for this important moment in human evolution by more than a million years, a study said. Ancient humans ...

Autopsies play a starring role on CSI, Bones, and many other prime-time dramas about medicine and forensics. They may very ...

COMING UP. >> WELL, ROGERS, POLICE SAY THREE KIDS FOUND A MAN OR A HUMAN SKULL AND BONES IN THE WOODS ON WEDNESDAY. ACCORDING TO POLICE, THE REMAINS WERE FOUND BETWEEN SEVENTH STREET AND THE ...

Allen said without the constant tug of gravity, muscle mass and bone density start to deplete ... that fundamental pattern in human beings that helps us sleep." NASA has plans to send humans ...

habilis, although no human remains were found in association. Tools made on long bone diaphysis of very large mammals,.some 1.5 million years ago. [Photo by Ignacio de la Torre et al / CC BY-NC-ND ...

One of the smallest human relatives ever found has been unearthed in South Africa. Standing just 3 feet, 4.5 inches (1.03 meters) tall, the adult Paranthropus robustus, who died 2 million years ...

What's more, according to their analysis of modern human DNA, one of these isolated populations left a stronger legacy in our genes than the other. "The question of where we come from is one that has ...

Scientists are learning what short and long-duration space missions do to human bodies. Some changes are common like a puffier face, bone loss, and less sleep. Here are nine ways the harsh ...

An astronaut’s muscle and bone mass can diminish due to the lack of gravity in space. According to the BBC, the muscles that help maintain posture are affected the most because the muscles don’t have ...

However, the human body evolved to function in the gravity ... "Your heart is having an easy time. "Your muscles and bones are having an easy time. "You're floating around the space station ...

Spending months in microgravity is brutal on the body. Without the Earth’s gravitational pull, muscles shrink, bones weaken and bodily fluids shift. Astronauts lose muscle mass rapidly because ...